Feat: fin du TP sur les variables

2nd/13_Programmation/2E_variables.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "70d4a95c",
+   "id": "2c522bc1",
    "metadata": {},
    "source": [
     "# Étape 2: Variables, affectation et type"
@@ -10,57 +10,317 @@
   },
   {
    "cell_type": "markdown",
-   "id": "01f35556",
+   "id": "7966e3c2",
    "metadata": {},
    "source": [
     "### Trois types de variables\n",
     "\n",
-    "En informatique "
+    "Pour nous (humain) les trois variables qui suivent sont itdentiques"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "id": "3dfc05ea",
+   "execution_count": 1,
+   "id": "d366babc",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "1"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "a = 1\n",
+    "a"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "87873ff4",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "1.0"
+      ]
+     },
+     "execution_count": 2,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "b = 1.0\n",
+    "b"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "98f34ab7",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'1'"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "c = \"1\"\n",
+    "c"
+   ]
   },
   {
    "cell_type": "markdown",
-   "id": "07c32553",
+   "id": "a1296b4f",
    "metadata": {},
    "source": [
-    "`input` donne une chaine de caractère. Comment la transformer en int ou float"
+    "Mais pour Python ce sont trois choses très différentes. Le premier est un **entier**, le deuxième est un **flottant** (nombre à virgule) et le dernier est une **chaine de caractères**."
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "b11ee13b",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "markdown",
-   "id": "978e9480",
+   "id": "a65d6da0",
    "metadata": {},
    "source": [
-    "Opérations entre les types"
+    "1. Trier les variables suivantes en fonction de leur type"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "86571601",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "a = 3\n",
+    "b = 4.5\n",
+    "c = \"coucou\"\n",
+    "d = \"6\"\n",
+    "e = 8\n",
+    "f = 5.0\n",
+    "g = \"09\"\n",
+    "h = \"0.4\""
+   ]
+  },
+  {
+   "cell_type": "raw",
+   "id": "708fea37",
+   "metadata": {},
+   "source": [
+    "Les entiers:\n",
+    "Les flottants:\n",
+    "Les chaines de caractères:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1cb8c216",
+   "metadata": {},
+   "source": [
+    "Il est possible de transformer les types. Pour cela, Python utilise les trois fonctions suivantes\n",
+    "\n",
+    "- `int(...)`\n",
+    "- `str(...)`\n",
+    "- `float(...)`\n",
+    "\n",
+    "2. Quelques exemples d'utilisation de la fonction `int(...)`. Les exécuter."
    ]
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "4a7ca5f9",
+   "id": "d5643413",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "int(a)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "8cce59f4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "int(b)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "67595ac0",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "int(c)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "730d8ec6",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "int(d)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "3288e311",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "int(g)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "fa9adefe",
+   "metadata": {},
+   "source": [
+    "En quoi la fonction `int(...)` tranforme-t-elle les variables?"
+   ]
+  },
+  {
+   "cell_type": "raw",
+   "id": "46b49780",
+   "metadata": {},
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "id": "8ef9fb28",
+   "metadata": {},
+   "source": [
+    "3. Expérimenter la fonction `float(...)`."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "d22272b4",
    "metadata": {},
    "outputs": [],
    "source": []
   },
   {
    "cell_type": "markdown",
-   "id": "192bd626",
+   "id": "5b822091",
+   "metadata": {},
+   "source": [
+    "En quoi la fonction `float(...)` tranforme-t-elle les variables?"
+   ]
+  },
+  {
+   "cell_type": "raw",
+   "id": "2cc489e3",
+   "metadata": {},
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "id": "5da8293d",
+   "metadata": {},
+   "source": [
+    "3. Expérimenter la fonction `str(...)`."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "332877f7",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "id": "da5cd3ea",
+   "metadata": {},
+   "source": [
+    "En quoi la fonction `str(...)` tranforme-t-elle les variables?"
+   ]
+  },
+  {
+   "cell_type": "raw",
+   "id": "8bcf3f94",
+   "metadata": {},
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "id": "3f3ea6f9",
+   "metadata": {},
+   "source": [
+    "4. La fonction `input(...)` affiche du texte et attend un réponse."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "afc36b4e",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Comment tu t'appelles?fjdsklmq\n"
+     ]
+    },
+    {
+     "data": {
+      "text/plain": [
+       "'fjdsklmq'"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "reponse = input(\"Comment tu t'appelles?\")\n",
+    "reponse"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "f7e096e1",
+   "metadata": {},
+   "source": [
+    "Quel est le type de la variable `reponse`"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9518e549",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "id": "7aba1ac5",
    "metadata": {},
    "source": [
     "## Exercices\n",
@@ -70,7 +330,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d4e53096",
+   "id": "47fa675c",
    "metadata": {},
    "source": [
     "### Variation d'une grandeur\n",
@@ -85,14 +345,14 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "eeb479d2",
+   "id": "d885f2a5",
    "metadata": {},
    "outputs": [],
    "source": []
   },
   {
    "cell_type": "markdown",
-   "id": "705276dc",
+   "id": "a368cdbe",
    "metadata": {},
    "source": [
     "## Taux de variation\n",
@@ -107,14 +367,14 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "b1a4755a",
+   "id": "05f03257",
    "metadata": {},
    "outputs": [],
    "source": []
   },
   {
    "cell_type": "markdown",
-   "id": "1037725f",
+   "id": "b540018d",
    "metadata": {},
    "source": [
     "### Coordonnées du milieu\n",
@@ -134,14 +394,14 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c2b735ba",
+   "id": "4ad529dc",
    "metadata": {},
    "outputs": [],
    "source": []
   },
   {
    "cell_type": "markdown",
-   "id": "4d3ce1bf",
+   "id": "fdb3ba0c",
    "metadata": {},
    "source": [
     "### Distance entre deux points\n",