{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Variables" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Création de variable" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Pour créer une variable en pythton, il suffit d'utiliser le symbole =" ] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [], "source": [ "a = 568" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "La variable a contient maintenant la valeur 568. On lui a affecté cette valeur." ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "568" ] }, "execution_count": 2, "metadata": {}, "output_type": "execute_result" } ], "source": [ "a" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "On peut évidemment changer la valeur d'une variable :" ] }, { "cell_type": "code", "execution_count": 3, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "125" ] }, "execution_count": 3, "metadata": {}, "output_type": "execute_result" } ], "source": [ "a = 125; a" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Remarquer comment on a enchainé les commandes grâce à un \";\".\n", "\n", "On peut également affecter la valeurs de plusieurs variables en même temps." ] }, { "cell_type": "code", "execution_count": 4, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "0\n", "1\n" ] } ], "source": [ "a,b = 0,1\n", "print(a)\n", "print(b)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Pour exécuter plusieurs instructions, on peut également passer une ligne entre chaque.\n", "L'instruction print affiche simplement la variable." ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Types des variables" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Il existe plusieurs types de variables simples en python :\n", "