From a295c40785dfbbe3590484670e05095182114f51 Mon Sep 17 00:00:00 2001 From: s45164 Date: Fri, 15 Dec 2017 16:05:50 +0000 Subject: [PATCH] Delete 'Podstawy 2.ipynb' --- Podstawy 2.ipynb | 630 ----------------------------------------------- 1 file changed, 630 deletions(-) delete mode 100644 Podstawy 2.ipynb diff --git a/Podstawy 2.ipynb b/Podstawy 2.ipynb deleted file mode 100644 index cb6f6c0..0000000 --- a/Podstawy 2.ipynb +++ /dev/null @@ -1,630 +0,0 @@ -{ - "cells": [ - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "# Python: podstaw ciąg dalszy\n", - "\n", - "## Tomasz Dwojak\n", - "\n", - "### 2 grudnia 2017" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Co już znamy?\n", - " * podstawowe typy danych i operacje na nich\n", - " * Instrukcje sterujące: ``if``, ``for``\n", - " * pisanie funkcji\n", - "\n" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "fragment" - } - }, - "source": [ - "## Co na dziś?\n", - "\n", - " * ``tuple`` i ``set``,\n", - " * operacje na plikach,\n", - " * coś więcej o funkcjach\n", - " * korzystanie z bibliotek\n", - " * przegląd najważniejszych bibliotek" - ] - }, - { - "cell_type": "code", - "execution_count": 9, - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "2\n", - "[1, 2, 3, 1, 2, 3]\n", - "123\n" - ] - } - ], - "source": [ - "def dwojak(x): \n", - " x *= 2\n", - " return x\n", - " \n", - "l = [1, 2, 3]\n", - "s = \"123\"\n", - "\n", - "dwojak(l)\n", - "dwojak(s)\n", - "print(dwojak(1))\n", - "print(l)\n", - "print(s)" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Mutable i Immutable\n", - "\n", - "### Mutable\n", - " * listy,\n", - " * słowniki,\n", - " * sety,\n", - " * własnoręcznie zdefiniowane klasy.\n", - " \n", - "### Immutable\n", - " * liczby: inty i floaty,\n", - " * napisy,\n", - " * tuple." - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Nieoczywistości" - ] - }, - { - "cell_type": "code", - "execution_count": 11, - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "[1, 2, 3, 1, 2, 3]\n", - "F: [1, 2, 3, 1, 2, 3]\n", - "[1, 2, 3]\n" - ] - } - ], - "source": [ - "def dwojak1(x): x *= 2\n", - "def dwojak2(x): \n", - " x = x * 2\n", - " print(\"F:\", x)\n", - "\n", - "l = [1,2, 3]\n", - "dwojak1(l)\n", - "print(l)\n", - "\n", - "l = [1,2, 3]\n", - "dwojak2(l)\n", - "print(l)" - ] - }, - { - "cell_type": "code", - "execution_count": 17, - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "[1, 2, 3]\n", - "[1, 2, 3, 4]\n" - ] - } - ], - "source": [ - "l = [1, 2, 3]\n", - "e = l[:]\n", - "e.append(4)\n", - "print(l)\n", - "print(e)" - ] - }, - { - "cell_type": "code", - "execution_count": 19, - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "[[1], [1], [1]]\n" - ] - } - ], - "source": [ - "e = []\n", - "f = [e for i in range(3)]\n", - "f[0].append(1)\n", - "print(f)" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## To może ``tuple``?\n", - " * stały rozmiar,\n", - " * immutable,\n", - " * mogą być kluczami w słownikach" - ] - }, - { - "cell_type": "code", - "execution_count": 25, - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "(1, 'napis', [0])\n", - "3\n" - ] - }, - { - "ename": "TypeError", - "evalue": "unhashable type: 'list'", - "output_type": "error", - "traceback": [ - "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m", - "\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)", - "\u001b[0;32m\u001b[0m in \u001b[0;36m\u001b[0;34m()\u001b[0m\n\u001b[1;32m 3\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mt\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 4\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mlen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mt\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 5\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m{\u001b[0m\u001b[0mt\u001b[0m\u001b[0;34m:\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m}\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m", - "\u001b[0;31mTypeError\u001b[0m: unhashable type: 'list'" - ] - } - ], - "source": [ - "t = (1, \"napis\", [])\n", - "t[-1].append(0)\n", - "print(t)\n", - "print(len(t))\n", - "print({t: None})" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Funkcje cz. 2" - ] - }, - { - "cell_type": "code", - "execution_count": 36, - "metadata": { - "slideshow": { - "slide_type": "fragment" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "15\n", - "a == 1\n", - "b == (3, 4)\n" - ] - } - ], - "source": [ - "def suma(*args):\n", - " return sum(args)\n", - "print(suma(1,2,3,4,5))\n", - "\n", - "def greet_me(z=None,**kwargs):\n", - " if kwargs is not None:\n", - " for key, value in kwargs.items():\n", - " print(\"%s == %s\" %(key,value))\n", - "greet_me(a=1, b=(3,4))" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Generatory" - ] - }, - { - "cell_type": "code", - "execution_count": 38, - "metadata": { - "slideshow": { - "slide_type": "fragment" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "97\n", - "a\n", - "98\n", - "b\n", - "99\n", - "c\n", - "100\n", - "d\n" - ] - } - ], - "source": [ - "def alfaRange(x, y):\n", - " for i in range(ord(x), ord(y)):\n", - " print(i)\n", - " yield chr(i)\n", - "\n", - "for c in alfaRange('a', 'e'):\n", - " print(c)" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Operacje na plikach" - ] - }, - { - "cell_type": "code", - "execution_count": 45, - "metadata": { - "slideshow": { - "slide_type": "fragment" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "W Paryżu najlepsze kasztany są na placu Pigalle\n", - "Zuzanna lubi je tylko jesienią.\n", - "\n", - ">>\n" - ] - } - ], - "source": [ - "plik = open(\"haslo.txt\", 'r')\n", - "for linia in plik.readlines():\n", - " print(linia.strip())\n", - "print(plik.read())\n", - "print(\">>\")\n", - "plik.close()" - ] - }, - { - "cell_type": "code", - "execution_count": 47, - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "W Paryżu najlepsze kasztany są na placu Pigalle\n", - "\n", - "Zuzanna lubi je tylko jesienią.\n", - "\n" - ] - }, - { - "ename": "ValueError", - "evalue": "I/O operation on closed file.", - "output_type": "error", - "traceback": [ - "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m", - "\u001b[0;31mValueError\u001b[0m Traceback (most recent call last)", - "\u001b[0;32m\u001b[0m in \u001b[0;36m\u001b[0;34m()\u001b[0m\n\u001b[1;32m 2\u001b[0m \u001b[0;32mfor\u001b[0m \u001b[0mlinia\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mplik\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mreadlines\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 3\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mlinia\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 4\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mplik\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mread\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m", - "\u001b[0;31mValueError\u001b[0m: I/O operation on closed file." - ] - } - ], - "source": [ - "with open(\"haslo.txt\", 'r') as plik:\n", - " for linia in plik.readlines():\n", - " print(linia)\n", - "print(plik.read())" - ] - }, - { - "cell_type": "code", - "execution_count": 48, - "metadata": { - "collapsed": true, - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [], - "source": [ - "with open(\"haslo2.txt\", 'w') as plik:\n", - " for word in ('corect', 'horse', 'battery', 'staple'):\n", - " plik.write(word)\n", - " plik.write('\\n')\n", - "with open(\"haslo2.txt\", 'w+') as plik:\n", - " plik.writelines([' '.join(('corect', 'horse', 'battery', 'staple'))])" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "# Korzystanie z modułów" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Importowanie" - ] - }, - { - "cell_type": "code", - "execution_count": 49, - "metadata": { - "slideshow": { - "slide_type": "fragment" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "posix\n", - "Nazwa uzytkownika: tomaszd\n" - ] - } - ], - "source": [ - "import os\n", - "print(os.name)\n", - "\n", - "from os import getenv\n", - "print('Nazwa uzytkownika: {}'.format(getenv(\"USER\")))" - ] - }, - { - "cell_type": "code", - "execution_count": 50, - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "Counter({'o': 4, 'n': 4, 'a': 4, 'k': 3, 't': 3, 'y': 2, 'i': 2, 'c': 2, 'z': 2, 's': 1, 'p': 1, 'l': 1, 'ń': 1, 'w': 1, 'e': 1})\n" - ] - }, - { - "data": { - "text/plain": [ - "array([[ 1., 3., 4., 5.]], dtype=float32)" - ] - }, - "execution_count": 50, - "metadata": {}, - "output_type": "execute_result" - } - ], - "source": [ - "from collections import *\n", - "print(Counter(\"konstantynopolitańczykowianeczka\"))\n", - "\n", - "import numpy as np\n", - "np.array([[1, 3, 4, 5]], dtype='float32')" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "collapsed": true, - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Instalacja\n", - "\n", - " * lokalnie (per użytkownik) lub globalnie\n", - " * pyCharm lub linia komend, np. ``pip install --user flask`` lub ``python -m pip install --user flask``" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Wczytywanie z klawiatury" - ] - }, - { - "cell_type": "code", - "execution_count": 51, - "metadata": { - "slideshow": { - "slide_type": "fragment" - } - }, - "outputs": [ - { - "name": "stdout", - "output_type": "stream", - "text": [ - "What's your name?\n", - "Tomasz\n", - "Welcome home, Tomasz.\n" - ] - } - ], - "source": [ - "name = input(\"What's your name?\\n\")\n", - "print(\"Welcome home, {}.\".format(name))" - ] - }, - { - "cell_type": "code", - "execution_count": null, - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "outputs": [], - "source": [ - "liczby = eval(input(\"Podaj liczby\"))\n", - "print(sum(liczby))" - ] - }, - { - "cell_type": "markdown", - "metadata": { - "slideshow": { - "slide_type": "slide" - } - }, - "source": [ - "## Co ominąłem?\n", - "\n", - " * klasy (jutro)\n", - " * podział programu na pliki (jutro)\n", - " " - ] - }, - { - "cell_type": "code", - "execution_count": null, - "metadata": { - "collapsed": true - }, - "outputs": [], - "source": [] - } - ], - "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": "3.6.3" - } - }, - "nbformat": 4, - "nbformat_minor": 2 -}