diff --git a/Notebooks/04_Les_fonctions_avec_parametres.ipynb b/Notebooks/04_Les_fonctions_avec_parametres.ipynb
index 7494005f9d86fdb7883d6be6ed20dd6c220c2344..8beb50d610bdba6707509310990d7ca0311343bb 100644
--- a/Notebooks/04_Les_fonctions_avec_parametres.ipynb
+++ b/Notebooks/04_Les_fonctions_avec_parametres.ipynb
@@ -1,5 +1,18 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "<div style=\"padding:20px;background-color:papayawhip;\" > \n",
+    "<h3 style=\"color:chocolate\"> <i class=\"fa fa-info\" aria-hidden=\"true\"> </i> &nbsp; Remarque introductive &nbsp;  <i class=\"fa fa-info\" aria-hidden=\"true\"></h3> \n",
+    "<p> Ce fichier est fait pour être lu sur le site <a href=\"https://notebook.basthon.fr/\"><img src='https://notebook.basthon.fr/assets/efede5218c9087496f16.png' style=\"border: 0; display:inline; margin: 0 5px; height:30px\" alt=\"Basthon\"/></a>. <br>\n",
+    "    \n",
+    "Si vous l'avez ouvert avec un autre programme, comme Jupyter notebook, vous riquez de rencontrer quelques bugs. <br>\n",
+    "Veuillez cliquez sur <a href=\"https://notebook.basthon.fr/\">ce lien</a> et y charger ce fichier à l'aide du bouton \"Ouvrir\"  &nbsp; <i class=\"fa fa-folder\" aria-hidden=\"true\"> </i>\n",
+    "</p> </div>    "
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -9,7 +22,7 @@
     "Dans cette leçon, nous allons approfondir le concept de la fonction. Dans la leçon 3 sur les fonctions simples, nous avons vu la fonction comme une façon de donner un nom à une séquence d'instructions. Ici nous allons voir comment nous pouvons ajouter un ou plusieurs paramètres à une fonction. Nous allons voir que :\n",
     "\n",
     "- l'expression `def rect(d, e):` permet de définir une fonction avec deux paramètres,\n",
-    "- les paramètres `d, e` sont des variables locales valides uniquement à l'intérieur de la définition de fonction,\n",
+    "- les paramètres `d` et `e` sont des variables locales valides uniquement à l'intérieur de la définition de fonction,\n",
     "- ces paramètres prennent une valeur au moment de l'appel  de la fonction avec `rect(50, 30)`.\n",
     "\n"
    ]
@@ -42,7 +55,7 @@
    "metadata": {},
    "source": [
     "<details>\n",
-    "<summary style=\"border-left:3px solid #3c763d; border-radius:2pt; width:100%; color:#3c763d; padding:6px; background-color: #dff0d8\"> \n",
+    "<summary style=\"border-left:3px solid #3c763d; border-radius:2pt; width:100%; color:#3c763d; padding:6px; background-color: #dff0d8\"> <i class=\"fa fa-angle-right\" aria-hidden=\"true\">\n",
     "Réponse\n",
     "</summary>  \n",
     "\n",
@@ -160,43 +173,6 @@
     "Remarque: Le deuxième angle du losange est calculé."
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "**Exemple 2 : Le polygone**\n",
-    "\n",
-    "Essayez de comprendre le programme ci-dessous, puis exécutez le..."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "from turtle import *\n",
-    "\n",
-    "def polygone(d, n):     # paramètres (d, n)\n",
-    "    for i in range(n):\n",
-    "        forward(d)\n",
-    "        left(360/n)\n",
-    "\n",
-    "polygone(100, 3)    # triangle\n",
-    "polygone(100, 4)    # carré\n",
-    "polygone(100, 5)    # pentagon\n",
-    "\n",
-    "done()\n"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "On remarque que la fonction `polygone(d, n)` a comme paramètre la distance d'un côté et le nombre de sommets.\n",
-    "\n"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -247,76 +223,6 @@
     "done()\n"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "## Positionner la maison\n",
-    "\n",
-    "!!! info Rappel\n",
-    "Au départ, la tortue se trouve au centre d'une zone rectangulaire appelée _canevas_. \n",
-    "![Image caneva](https://githepia.hesge.ch/info_sismondi/exercices-1ere/-/raw/main/Notebooks/imgs_chap4/canevas.png)\n",
-    "Ce rectangle a les propriétés suivantes :\n",
-    "\n",
-    "- l'origine (0, 0) se trouve au centre,\n",
-    "- l'axe horizontal x, s'étend de -300 à +300 (à droite),\n",
-    "- l'axe vertical y, s'étend de -200 à +200 (en haut).\n",
-    "!!!\n",
-    "\n",
-    "La fonction `goto(x, y)` permet de placer directement la tortue à la position de coordonnées `(x, y)`. On peut utiliser `goto(x, y)` pour positionner notre maison à un endroit précis.\n",
-    "\n",
-    "Pour désigner une position, nous utilisons la variable `p` (p pour position) qui représente le couple de coordonnées `[x, y]`."
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "<h3 style=\"color:teal;background-color:azure;\" > <i class=\"fa fa-pencil\" aria-hidden=\"true\"> </i> &nbsp; Exercice 3 </h3>Aujoutez deux autres maisons de taille différente.\n",
-    "\n"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "from turtle import *\n",
-    "\n",
-    "def maison(p , d):\n",
-    "    goto(p)     # aller à la position p\n",
-    "    dot()       # ajouter un marquer (dot)\n",
-    "    down()\n",
-    "    forward (1.41*d)  # sol\n",
-    "    left(90)\n",
-    "    forward(d)  # mur droit\n",
-    "    left(45)\n",
-    "    forward(d)  # toit droit\n",
-    "    left(90)\n",
-    "    forward(d)  # toit gauche\n",
-    "    left(45)\n",
-    "    forward(d)  # mur gauche\n",
-    "    left(90)\n",
-    "    up()\n",
-    "\n",
-    "maison([0, 0], 50)          # maison à la position (0, 0)\n",
-    "maison([-150, 50], 70)      # maison à la position (-150, 50)\n",
-    "\n",
-    "done()"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "!!! info Les listes\n",
-    "En Python les données peuvent être de plusieurs type. Par exemple, nous avons déjà rencontré le type nombre entier (`int`),  nombre à virgule **flottante** (`float`) et chaînes de caractères (`str`).\n",
-    "\n",
-    "En python, le type `list` permet de définir des données composée d e plusieurs valeurs. Il suffit de mettre les valeurs, séparées par des virgules, entre des crochets.\n",
-    "!!!"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -341,15 +247,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
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+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
    "source": [
     "from turtle import *\n",
     "up()\n",
     "\n",
-    "def maison(p, d, c):\n",
-    "    goto(p)\n",
+    "def maison(d, c):\n",
     "    dot()\n",
     "    down()\n",
     "    fillcolor(c)\n",
@@ -367,8 +282,10 @@
     "    end_fill()\n",
     "    up()\n",
     "\n",
-    "maison([0, 0], 70, 'lightblue')\n",
-    "maison([150, 30], 50, 'yellow')\n",
+    "goto(0,0)\n",
+    "maison(70, 'lightblue')\n",
+    "goto(150, 30)\n",
+    "maison(50, 'yellow')\n",
     "\n",
     "done()\n"
    ]
@@ -613,74 +530,6 @@
     "done()\n"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "## Nommer une variable\n",
-    "\n",
-    "Pour nommer une variable, on utilise les caractères suivants :\n",
-    "\n",
-    "- lettres (`a...z` et `A...Z`),\n",
-    "- chiffres (`0...9`),\n",
-    "- le tiret bas (`_`).\n",
-    "\n",
-    "Le nom de variable :\n",
-    "\n",
-    "- est sensible aux majuscules/minuscules (`BUS` et `bus` sont des noms de variables différents),\n",
-    "- ne peut pas commencer avec un chiffre,\n",
-    "- ne doit pas consister d'un mot-clé (`def`, `for`, `in`, `from`, ...),\n",
-    "\n",
-    "Par exemplee, les noms de variables suivantes sont valides : \n",
-    "    `a2`, `_a`, `speed`, `pos_x`, `POS_X`,\n",
-    "\n",
-    "tandis que ceux là ne le sont pas :   `2a`, `def`, `pos x`.\n"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "<h3 style=\"color:chocolate;background-color:papayawhip;\" > <i class=\"fa fa-question\" aria-hidden=\"true\"> </i> &nbsp; Quizz </h3> \n",
-    " \n",
-    "```\n",
-    "Lesquels des noms de variable sont valides ?\n",
-    "\n",
-    "A) var 2\n",
-    "B) var2\n",
-    "C) 2var\n",
-    "D) IF\n",
-    "```"
-   ]
-  },
-  {
-   "cell_type": "raw",
-   "metadata": {},
-   "source": [
-    "Votre réponse: "
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "<details>\n",
-    "<summary style=\"border-left:3px solid #3c763d; border-radius:2pt; width:100%; color:#3c763d; padding:6px; background-color: #dff0d8\"> \n",
-    "Réponse\n",
-    "</summary>  \n",
-    "\n",
-    "<div style=\"border-left:3px solid #3c763d; border-radius:2pt; color:#3c763d; padding:6px; background-color: #eff0e8\">\n",
-    "\n",
-    "B) `var2`\n",
-    "    \n",
-    "D) `IF` serait valable car différent du mot clé `if` (rappel : Python est sensible aux majuscules/minuscules)\n",
-    "    \n",
-    "Les deux autres ne sont pas valables car `var 2` contient une espace et `2var` commence par un chiffre.\n",
-    "    \n",
-    "</div>\n",
-    "</details>"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -722,37 +571,7 @@
    "source": [
     "<h3 style=\"color:teal;background-color:azure;\" > <i class=\"fa fa-pencil\" aria-hidden=\"true\"> </i> &nbsp; Exercice 9 </h3>\n",
     "\n",
-    "1. Testez le programme suivant (voir plus bas pour tester) :\n",
-    "\n",
-    "```Python\n",
-    "from turtle import *\n",
-    "\n",
-    "# pour être à gauche du canevas\n",
-    "backward(250)\n",
-    "\n",
-    "# Code à factoriser\n",
-    "for k in range(3):\n",
-    "    forward(30)\n",
-    "    right(120)\n",
-    "forward(30)\n",
-    "for k in range(3):\n",
-    "    forward(60)\n",
-    "    right(120)\n",
-    "forward(60)\n",
-    "for k in range(3):\n",
-    "    forward(90)\n",
-    "    right(120)\n",
-    "forward(90)\n",
-    "for k in range(3):\n",
-    "    forward(120)\n",
-    "    right(120)\n",
-    "forward(120)\n",
-    "for k in range(3):\n",
-    "    forward(150)\n",
-    "    right(120)\n",
-    "\n",
-    "done()\n",
-    "```\n",
+    "1. Testez le programme suivant ci-dessous.\n",
     "2. Définissez une fonction `triangle(l)`, qui permet de tracer des triangles équilatéraux de longueur lg, et utilisez-là pour réduire le nombre d’instructions du programme. \n",
     "\n",
     "**NB**: Le nombre d'instructions du programme doit être au moins divisé par 2.\n"
@@ -1056,13 +875,6 @@
     "Ce document est une adaptation d'un ressource pédagogique tiré du catalogue modulo https://modulo-info.ch/. Il est sous license Creative Commons [BY-NC-SA](https://creativecommons.org/licenses/?lang=fr)\n",
     "![Licence Creative Commons](https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png)"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {