1048 lines
19 KiB
Plaintext
1048 lines
19 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"# Podstawy Pythona: cz. 1\n",
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"\n",
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" \n",
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"\n",
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"## 26 stycznia 2019"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [],
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"source": [
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"sentence = \"I'd guess that it's Frank Sinatra.\"\n",
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"sentence = sentence.replace(' \\'', '\\'') \n",
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"sentence = sentence.replace(' n\\'t', 'n\\'t')\n",
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"words = sentence.split()\n",
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"for i in range(len(words)):\n",
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" for contraction, expansion in contractions_expansions.items():\n",
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" if contraction == words[i]: \n",
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" words[i] = expansion \n",
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"sentence = ' '.join(words) "
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [],
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"source": [
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"print('Hello Python')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Hello\n",
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"Python\n",
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"Hello Python !\n"
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]
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}
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],
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"source": [
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"print('Hello') \n",
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"print('Python')\n",
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"print('Hello', 'Python', '!')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"Typy proste:\n",
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" * liczby całkowite: `int`, np. `3`, `1000`, `-100`, `0`\n",
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" * liczby rzeczywiste: `float`: `3.14`, `5.0`, `-0.001`\n",
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" * napisy: `str`: `\"Python\"`, `\"Rock'n'Roll\"`, `'zalicznie z przedmiotu'`\n",
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" * logiczne `bool`, `True`, `False`\n",
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" * None: `None`"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"10\n",
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"1000.0\n",
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"100 100.0 Sto\n",
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"Zaokrąglenie PI: 3.141519\n"
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]
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}
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],
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"source": [
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"print(10)\n",
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"print(1000.0)\n",
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"print (100, 100.0, \"Sto\")\n",
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"print(\"Zaokrąglenie PI:\", 3.141519)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"<class 'int'>\n",
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"<class 'float'>\n",
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"<class 'str'>\n",
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"<class 'NoneType'>\n"
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]
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}
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],
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"source": [
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"print(type(100))\n",
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"print(type(20.5))\n",
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"print(type(\"okno\"))\n",
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"print(type(None))"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"Operacje arytmetyczne na liczbach:\n",
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" * dodawanie `+`, np. `2 + 3`\n",
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" * odejmowanie `-`, np. `10-9`\n",
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" * mnożenie `*`, np. `2.0 * 3.0`\n",
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" * dzielenie `/`, np. `3 / 4` ( == 0.75)\n",
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" * dzielenie całkowite `//`, `3 / 4` ( == 0)\n",
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" * potęgowanie `**`, np. `10 ** 3` ( == 1000)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"2 ** 10 = 1024\n",
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"0.5555555555555556\n"
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]
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}
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],
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"source": [
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"print(1 + 2 - 3)\n",
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"print(\"2 ** 10\", \"=\", 2 ** 10)\n",
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"print(1 + 2 - 3 + (4 * 5) / 6 ** 2)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"Operacje na napisach:\n",
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" * konkatenacja `+`, np. `\"Tarnowo \" + \"Podgórne\"`\n",
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" * wielokrotność: `*`, np. `\"O\" * 6` (\"OOOOOO\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Noooooooooo!\n"
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]
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}
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],
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"source": [
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"print(\"N\" + \"o\" * 10 + '!')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"Konwersja typów:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 24,
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"metadata": {
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"slideshow": {
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"slide_type": "fragment"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"200\n",
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"100100\n",
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"200.0\n",
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"True\n"
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]
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}
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],
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"source": [
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"print(int(\"100\") * 2)\n",
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"print(str(100) * 2)\n",
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"print(float(100) * 2)\n",
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"print(bool(\"Fałsz\"))"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"## Zmienne\n",
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" * case sensitive,\n",
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" * brak deklaracji typu,\n",
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" * do zmiennej można przypisać wszystko."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"email: t.dwojak@amu.edu.pl\n"
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]
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}
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],
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"source": [
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"user = \"t.dwojak\"\n",
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"domain = \"amu.edu.pl\"\n",
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"email = user + \"@\" + domain\n",
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"print(\"email:\", email)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"## Komentarze\n",
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" * Komentarze nie są interpretowane.\n",
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" * Komentarze w Pythonie zaczynają się od znaku '#'\n",
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" * Istnieją komentarze wielolinijkowe tagowane potrójnym \", czyli \"\"\" \"\"\"\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"collapsed": true,
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"slideshow": {
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"slide_type": "fragment"
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}
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},
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"outputs": [],
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"source": [
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"print(\"Bardzo ważna wiadomość\") # A to jest komentarz\n",
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"\"\"\"\n",
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"Komentarz\n",
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"wielo-\n",
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"linijkowy\n",
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"\"\"\"\n",
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"# print(\"Nie chcę być wydrukowanym\")\n",
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"print(\"A teraz chcę\")"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
|
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"# Podstawy cz. 2"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"## Listy\n",
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" * W Pythonie nie ma tablic, są listy;\n",
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" * Listy mogą przechowywać elementy różnych typów;\n",
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" * Indeksowanie zaczyna się od 0.\n",
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" * Funkcja `len` zwraca liczbę elementów listy"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 32,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Liczba elementów 5\n"
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]
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}
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],
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"source": [
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"x = [] # albo równoważnie pusta_lista = list()\n",
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"oceny = [5, 4, 3, 5, 5]\n",
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"roznosci = [3.14, \"pi\", [\"pi\"], 3]\n",
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"list_0_9 = list(range(10))\n",
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"print(\"Liczba elementów\", len(oceny))"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 33,
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"metadata": {
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"slideshow": {
|
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"slide_type": "fragment"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
|
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"[5, 4, 3, 5, 5]\n",
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"4\n"
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]
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}
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],
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"source": [
|
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"print(oceny)\n",
|
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"print(oceny[1])"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
|
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"## Dodawanie i usuwanie elementów z listy\n",
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"\n",
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"Istnieją dwie metody:\n",
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" * `append(x)`: dodaje x na koniec listy\n",
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" * `extend(x)`: rozszerza listę o każdy element z x "
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"['duck-duck-go', 'yahoo']\n"
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]
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}
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],
|
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"source": [
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"engines = []\n",
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"engines.append('duck-duck-go')\n",
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"engines.append(\"yahoo\")\n",
|
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"print(engines)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"metadata": {
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"slideshow": {
|
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"slide_type": "slide"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
|
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"['google', 1, 'sto']\n"
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]
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}
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],
|
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"source": [
|
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"m = [\"google\", 'bing']\n",
|
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"m.extend(l)\n",
|
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"print(m)"
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]
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},
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{
|
|
"cell_type": "code",
|
|
"execution_count": 15,
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|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
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"[1, 3, 2, 3, 1, 2]\n"
|
|
]
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}
|
|
],
|
|
"source": [
|
|
"liczby = [1,2,3,2,3,1,2,4]\n",
|
|
"liczby.pop() # Domyślnie usuwa ostatni element z listy\n",
|
|
"liczby.remove(2)\n",
|
|
"print(liczby)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"Inne przydatne metody:\n",
|
|
" * `sort()`: sortuje listę rosnąco\n",
|
|
" * `count(x)`: zlicza wystąpienia x w liście\n",
|
|
" * `index(x)`: zwraca indeks pierwszego wystąpienia x"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 20,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"2\n",
|
|
"7\n",
|
|
"[1, 1, 2, 2, 2, 3, 3, 4]\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"liczby = [1,2,3,2,3,1,2,4]\n",
|
|
"print(liczby.count(1))\n",
|
|
"print(liczby.index(4))\n",
|
|
"liczby.sort()\n",
|
|
"print(liczby)"
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|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"## Indeksowanie"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 21,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"pierwszy element: 1\n",
|
|
"ostatni element: 4\n",
|
|
"5 pierwszych: [1, 3, 2, 3, 1]\n",
|
|
"5 ostatnich [2, 3, 1, 2, 4]\n",
|
|
"od drugiego, do piątego [3, 2, 3, 1]\n",
|
|
"parzyste: [3, 3, 2]\n",
|
|
"od tyłu [4, 2, 1, 3, 2, 3, 1]\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"oceny = [1, 3, 2, 3, 1, 2, 4]\n",
|
|
"print('pierwszy element:', oceny[0])\n",
|
|
"print('ostatni element:', oceny[-1])\n",
|
|
"print('5 pierwszych:', oceny[:5])\n",
|
|
"print('5 ostatnich', oceny[-5:])\n",
|
|
"print('od drugiego, do piątego', oceny[1:5])\n",
|
|
"print('parzyste:', oceny[1:6:2])\n",
|
|
"print('od tyłu', oceny[::-1])"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"## Pętla typu ```for```\n",
|
|
" * W Pythonie pętla *for* działa jak pętla *for each* w innych językach;\n",
|
|
" * W Pythonie nie ma klamr, ani *begin* i *end*; jako ciało pętli musi być wcięte (najcześciej 4 spacje)."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 22,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"element 0\n",
|
|
"element 1\n",
|
|
"element 2\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"n = 3\n",
|
|
"\n",
|
|
"for i in range(n):\n",
|
|
" print('element', i)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 23,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"jeden\n",
|
|
"dwa\n",
|
|
"trzy\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"l = [\"jeden\", \"dwa\", \"trzy\"]\n",
|
|
"for item in l:\n",
|
|
" print(item)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 24,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"kwadraty = []\n",
|
|
"\n",
|
|
"for i in range(10):\n",
|
|
" kwadraty.append(i ** 2)\n",
|
|
"\n",
|
|
"print(kwadraty)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"## Słowniki: `dict`"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 25,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"{'Justyna': [5, 5, 5], 'Bartek': [3, 4, 5], 'Ola': [3, 3, 3]}\n",
|
|
"{'Justyna': [5, 5, 5], 'Bartek': [3, 4, 5], 'Ola': [3, 3, 3], 'Jan': [3, 4, 5]}\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"slownik = {}\n",
|
|
"s_oceny = {\"Justyna\" : [5,5,5], \"Bartek\" : [3,4,5], \"Ola\": [3,3,3]}\n",
|
|
"print(s_oceny)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 26,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"{'Justyna': [5, 5, 5], 'Bartek': [3, 4, 5], 'Ola': [3, 3, 3], 'Jan': [3, 4, 5]}\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"s_oceny[\"Jan\"] = [3,4,5]\n",
|
|
"print(s_oceny)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"## Iterowanie po słowniku"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 27,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"Justyna : [5, 5, 5]\n",
|
|
"Bartek : [3, 4, 5]\n",
|
|
"Ola : [3, 3, 3]\n",
|
|
"Jan : [3, 4, 5]\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"for osoba in s_oceny:\n",
|
|
" print(osoba,':', s_oceny[osoba])"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"for osoba, oceny in s_oceny.items():\n",
|
|
" print(osoba,':', oceny)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"## Instrukcja sterująca ```if ... else```"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"source": [
|
|
" * działa tak samo, jak w innych języka;\n",
|
|
" * jest dodatkowa instrukcja następnego warunku *elif...*;"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 30,
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"Podaj liczbe:\n",
|
|
"3\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"zmienna = int(input(\"Podaj liczbe:\\n\"))\n",
|
|
"\n",
|
|
"if zmienna < 0:\n",
|
|
" print(\"Ujemna!\")\n",
|
|
"elif zmienna > 0:\n",
|
|
" print(\"Dodatnia\") \n",
|
|
"else:\n",
|
|
" print(\"Zero!\")\n"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"## Przydatne warunki\n",
|
|
"\n",
|
|
" * Porównanie za pomocą `==`\n",
|
|
" * znak różności: `!=`\n",
|
|
" * Sprawdzenie, czy coś jest w liście: `item in l`\n",
|
|
" * Do łączenia warunków służą słowa klucznowe `and` i `or`"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"if \"Ala\" in s_oceny:\n",
|
|
" print(\"Ala jest w grupie!\")\n",
|
|
"else:\n",
|
|
" print(\"Niestety Ali nie ma grupie!\")"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"# Łańcuchy znakowe"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"napis = \"Wiadomość\"\n",
|
|
"print(napis)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"for znak in napis:\n",
|
|
" print(znak, ord(znak))"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"slowa = ['Bardzo' , 'ważna', 'wiadomość']\n",
|
|
"print(' '.join(slowa))"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"if 'dom' in napis:\n",
|
|
" print(True)\n",
|
|
"else:\n",
|
|
" print(False)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"text = \"Bardzo ważna wiadomość\"\n",
|
|
"print(text.split(' '))"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"text = \"Nie wszyscy lubią spacje na końcu linii. \"\n",
|
|
"print(text)\n",
|
|
"print(text.strip(' '))"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"# Pytania?"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {
|
|
"slideshow": {
|
|
"slide_type": "slide"
|
|
}
|
|
},
|
|
"source": [
|
|
"## Funkcje"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"def is_greater_than_5(x):\n",
|
|
" if x > 5:\n",
|
|
" return True\n",
|
|
" else:\n",
|
|
" return False"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"metadata": {
|
|
"collapsed": true,
|
|
"slideshow": {
|
|
"slide_type": "fragment"
|
|
}
|
|
},
|
|
"outputs": [],
|
|
"source": [
|
|
"print(is_greater_than_5(5))\n",
|
|
"print(is_greater_than_5(-100))\n",
|
|
"print(is_greater_than_5(500))"
|
|
]
|
|
}
|
|
],
|
|
"metadata": {
|
|
"celltoolbar": "Slideshow",
|
|
"kernelspec": {
|
|
"display_name": "Python 3",
|
|
"language": "python",
|
|
"name": "python3"
|
|
},
|
|
"language_info": {
|
|
"codemirror_mode": {
|
|
"name": "ipython",
|
|
"version": 3
|
|
},
|
|
"file_extension": ".py",
|
|
"mimetype": "text/x-python",
|
|
"name": "python",
|
|
"nbconvert_exporter": "python",
|
|
"pygments_lexer": "ipython3",
|
|
"version": "3.7.2"
|
|
}
|
|
},
|
|
"nbformat": 4,
|
|
"nbformat_minor": 1
|
|
}
|