From e6ab48cc18018469d8919dcb3a3f0a75c49f41ad Mon Sep 17 00:00:00 2001
From: Tomasz Dwojak <t.dwojak@amu.edu.pl>
Date: Sat, 9 Feb 2019 10:09:44 +0100
Subject: [PATCH] add postawy 3

---
 labs03/Podstawy, cz. 3.ipynb | 719 +++++++++++++++++++++++++++++++++++
 1 file changed, 719 insertions(+)
 create mode 100644 labs03/Podstawy, cz. 3.ipynb

diff --git a/labs03/Podstawy, cz. 3.ipynb b/labs03/Podstawy, cz. 3.ipynb
new file mode 100644
index 0000000..5affb6a
--- /dev/null
+++ b/labs03/Podstawy, cz. 3.ipynb	
@@ -0,0 +1,719 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "# Python: podstawy, cz. 3 (ostatnia)\n",
+    "\n",
+    "&nbsp;\n",
+    "## 9 lutego 2019"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "## Kilka uwag do zadania domowego:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 51,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def even_elements(list):\n",
+    "    output = []\n",
+    "    for element in range(len(list)):\n",
+    "        if element % 2 == 0:\n",
+    "            output.append(list[element])\n",
+    "    return output"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def even_elements(elems):\n",
+    "    output = []\n",
+    "    for element in range(len(elems)):\n",
+    "        if element % 2 == 0:\n",
+    "            output.append(elems[element])\n",
+    "    return output"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def leet_speak(text):\n",
+    "    text2 = \"\"\n",
+    "    i = 0\n",
+    "    suma = 0\n",
+    "    for e in text:\n",
+    "        if text[i] == \"e\":\n",
+    "            text2 = text2 + \"3\"\n",
+    "            i = i + 1\n",
+    "        else:\n",
+    "            if text[i] == \"l\":\n",
+    "                text2 = text2 + \"1\"\n",
+    "                i = i + 1\n",
+    "            else:\n",
+    "                if text[i] == \"o\":\n",
+    "                    text2 = text2 + \"0\"\n",
+    "                    i = i + 1\n",
+    "                else:\n",
+    "                    if text[i] == \"t\":\n",
+    "                        text2 = text2 + \"7\"\n",
+    "                        i = i + 1\n",
+    "                    else:\n",
+    "                        text2 = text2 + text[i]\n",
+    "                        i = i + 1\n",
+    "    return (text2)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def leet_speak(text):\n",
+    "    text2 = \"\"\n",
+    "    i = 0\n",
+    "    suma = 0\n",
+    "    for e in text:\n",
+    "        if text[i] == \"e\":\n",
+    "            text2 = text2 + \"3\"\n",
+    "        elif text[i] == \"l\":\n",
+    "            text2 = text2 + \"1\"\n",
+    "        elif text[i] == \"o\":\n",
+    "            text2 = text2 + \"0\"\n",
+    "        elif text[i] == \"t\":\n",
+    "            text2 = text2 + \"7\"\n",
+    "        else:\n",
+    "            text2 = text2 + text[i]\n",
+    "        i = i + 1\n",
+    "    return (text2)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "Do tej pory:\n",
+    " * podstawowe typy danych\n",
+    " * pętla `for` i wyrażenie warunkowe `if`\n",
+    " * listy, słowniki\n",
+    " * funkcje"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "## Wbudowane funkcje w Pythona"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 52,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1 18 36\n"
+     ]
+    }
+   ],
+   "source": [
+    "elems = [1, 5, 10, 18, 2]\n",
+    "print(min(elems), max(elems), sum(elems))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 54,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Index: 0 wartość: 1\n",
+      "Index: 1 wartość: 5\n",
+      "Index: 2 wartość: 10\n",
+      "Index: 3 wartość: 18\n",
+      "Index: 4 wartość: 2\n",
+      "Index: 0 wartość: 1\n",
+      "Index: 1 wartość: 5\n",
+      "Index: 2 wartość: 10\n",
+      "Index: 3 wartość: 18\n",
+      "Index: 4 wartość: 2\n"
+     ]
+    }
+   ],
+   "source": [
+    "elems = [1, 5, 10, 18, 2]\n",
+    "for idx, elem in enumerate(elems):\n",
+    "    print(\"Index:\", idx, \"wartość:\", elem)\n",
+    "\n",
+    "for idx in range(len(elems)):\n",
+    "    elem = elems[idx]\n",
+    "    print(\"Index:\", idx, \"wartość:\", elem)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 55,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Alicja lat 1 .\n",
+      "Beata lat 5 .\n",
+      "Cecylia lat 10 .\n",
+      "Danuta lat 18 .\n",
+      "Eryka lat 2 .\n"
+     ]
+    }
+   ],
+   "source": [
+    "ages = [1, 5, 10, 18, 2, 1]\n",
+    "names = [\"Alicja\", \"Beata\", \"Cecylia\", \"Danuta\", \"Eryka\"]\n",
+    "for age, name in zip(ages, names):\n",
+    "    print(name, \"lat\", age, \".\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 58,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[18.84, 25.12, 31.400000000000002, 37.68]\n"
+     ]
+    }
+   ],
+   "source": [
+    "def circle_length(radius):\n",
+    "    return 2 * 3.14 * radius\n",
+    "radii = [3, 4, 5, 6]\n",
+    "\n",
+    "results = []\n",
+    "for r in radii:\n",
+    "    results.append(circle_length(r))\n",
+    "\n",
+    "results = list(map(circle_length, radii))\n",
+    "print(results)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 60,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "12.56\n",
+      "[18.84, 25.12, 31.400000000000002, 37.68]\n"
+     ]
+    }
+   ],
+   "source": [
+    "radii = [3, 4, 5, 6]\n",
+    "\n",
+    "f = lambda radius: 2 * 3.14 * radius\n",
+    "print(f(2))\n",
+    "results = map(f, radii)\n",
+    "print(list(results))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "## Funkcje lambda\n",
+    "\n",
+    " * składnia: `lambda nazwa_zmiennej: zwracana_wartość`"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 61,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Co mam zrobić?\n",
+      "print(\"ala ma kota.\")\n",
+      "ala ma kota.\n"
+     ]
+    }
+   ],
+   "source": [
+    "code = input(\"Co mam zrobić?\\n\")\n",
+    "eval(code)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "## Listy składane"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[2, 2, 2, 2, 3, 5]\n"
+     ]
+    }
+   ],
+   "source": [
+    "elems = [10, 50, 40, 30, 100, 19990]\n",
+    "lens = []\n",
+    "for elem in elems:\n",
+    "    lens.append(len(str(elem)))\n",
+    "print(lens)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[2, 2, 2, 2, 3, 5]\n"
+     ]
+    }
+   ],
+   "source": [
+    "elems = [10, 50, 40, 30, 100, 19990]\n",
+    "lens = [len(str(elem)) for elem in elems]\n",
+    "print(lens)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[2, 3, 5]\n"
+     ]
+    }
+   ],
+   "source": [
+    "elems = [10, 50, 40, 30, 100, 19990]\n",
+    "lens = [len(str(elem)) for elem in elems \n",
+    "        if str(elem)[0] == '1']\n",
+    "print(lens)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[2, 0, 0, 0, 3, 5]\n"
+     ]
+    }
+   ],
+   "source": [
+    "elems = [10, 50, 40, 30, 100, 19990]\n",
+    "lens = [len(str(elem)) \n",
+    "        if str(elem)[0] == '1' else 0\n",
+    "        for elem in elems]\n",
+    "print(lens)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[10, 14, [16, 18.0]] 2\n"
+     ]
+    }
+   ],
+   "source": [
+    "def times(elem, n=2):\n",
+    "    if isinstance(elem, list):\n",
+    "        return [times(item, n) for item in elem]\n",
+    "    elif isinstance(elem, float) or isinstance(elem, int):\n",
+    "        return elem * n\n",
+    "    else:\n",
+    "        raise ValueError(\"błąd\")\n",
+    "\n",
+    "print(times([5, 7, [8, 9.0]]), 2)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "## Formatowanie napisów\n",
+    "\n",
+    " * procentowe formatowanie z Pythona 2\n",
+    " * metoda format\n",
+    " * f-stringi (Python 3.6)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 62,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Jan Kowalski, lat 34\n"
+     ]
+    }
+   ],
+   "source": [
+    "imie = \"Jan\"\n",
+    "nazwisko = \"Kowalski\"\n",
+    "wiek = 34\n",
+    "\n",
+    "full_name = imie + \" \" + nazwisko + \", lat \" + str(wiek)\n",
+    "full_name = \"%s %s, lat %d\" % (imie, nazwisko, wiek)\n",
+    "print(full_name)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 35,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Jan Kowalski, lat 34\n",
+      "Jan Kowalski, lat 34\n"
+     ]
+    }
+   ],
+   "source": [
+    "imie = \"Jan\"\n",
+    "nazwisko = \"Kowalski\"\n",
+    "wiek = 34\n",
+    "\n",
+    "full_name = \"{0} {0}, lat {2}\".format(imie, nazwisko, wiek)\n",
+    "print(full_name)\n",
+    "full_name = f\"{imie} {nazwisko}, lat {wiek}\"\n",
+    "print(full_name)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "## OOP: Programowanie obiektowe"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "class Sentence:\n",
+    "    pass\n",
+    "sentence = Sentence()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "class Sentence:\n",
+    "    def __init__(self, text):\n",
+    "        self.text = text\n",
+    "sentence = Sentence(\"This is a little test.\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 41,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n",
+      "text: This is a little test.\n"
+     ]
+    }
+   ],
+   "source": [
+    "sent_1 = Sentence(\"This is a little test.\")\n",
+    "sent_2 = Sentence(\"This is a little test.\")\n",
+    "print(sent_1 == sent_2)\n",
+    "print(\"text: {}\".format(sent_1.text))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 42,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Liczba słów: 4\n"
+     ]
+    }
+   ],
+   "source": [
+    "class Sentence:\n",
+    "    def __init__(self, text):\n",
+    "        self.text = text\n",
+    "    def word_number(self):\n",
+    "        return len(self.text.split(' '))\n",
+    "    \n",
+    "    def is_question(self):\n",
+    "        return self.text[-1] == \"?\"\n",
+    "    \n",
+    "sent = Sentence(\"To jest test .\")\n",
+    "print(\"Liczba słów: {}\".format(sent.word_number()))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 43,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "6500\n"
+     ]
+    }
+   ],
+   "source": [
+    "class Employee:\n",
+    "    def __init__(self, name, salary):\n",
+    "        self.name = name\n",
+    "        self.salary = salary\n",
+    "    def raise_salary(self, amount):\n",
+    "        self.salary += amount\n",
+    "        \n",
+    "employee = Employee(\"Franek\", 6000)\n",
+    "employee.raise_salary(500)\n",
+    "print(employee.salary)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 49,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "class Manager(Employee):\n",
+    "    def __init__(self, name, salary, team):\n",
+    "        super().__init__(name, salary)\n",
+    "        self.team = team\n",
+    "\n",
+    "man = Manager(\"Joanna\", 6000, \"super-team\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "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": "3.7.2"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}