diff --git a/pyschool/school.ipynb b/pyschool/school.ipynb
index 3ea9f3b..0569292 100644
--- a/pyschool/school.ipynb
+++ b/pyschool/school.ipynb
@@ -16,11 +16,7 @@
    "cell_type": "code",
    "id": "initial_id",
    "metadata": {
-    "collapsed": true,
-    "ExecuteTime": {
-     "end_time": "2024-10-16T22:07:39.654858Z",
-     "start_time": "2024-10-16T22:07:39.651583Z"
-    }
+    "collapsed": true
    },
    "source": [
     "from users.user import User\n",
@@ -28,7 +24,7 @@
     "from pyrsistent import m\n"
    ],
    "outputs": [],
-   "execution_count": 5
+   "execution_count": null
   },
   {
    "metadata": {},
@@ -41,15 +37,10 @@
    "id": "e096dacdce185e62"
   },
   {
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-10-16T22:07:39.708358Z",
-     "start_time": "2024-10-16T22:07:39.699756Z"
-    }
-   },
+   "metadata": {},
    "cell_type": "code",
    "source": [
-    "    # Création d'un objet avec des données Pyrsistent\n",
+    "# Création d'un objet avec des données Pyrsistent\n",
     "signup_data = m(\n",
     "    login=\"johndoe\",\n",
     "    password=\"secret\",\n",
@@ -64,89 +55,38 @@
     "# Utilisation de copy qui a été vérifié comme fonctionnel\n",
     "new_signup = signup.copy(update={\"email\": \"janedoe@example.com\"})\n",
     "\n",
-    "print(\"Original signup:\", signup)\n",
-    "print(\"New signup:\", new_signup)\n",
-    "\n",
-    "# Démonstration de la conversion retour vers Pyrsistent\n",
     "persistent_data = new_signup.to_persistent()\n",
-    "print(\"Données Pyrsistent:\", persistent_data)\n",
-    "\n",
-    "print(f\"to_json : {new_signup.to_json()}\")\n",
-    "\n",
-    "print(f\"to_xml : {new_signup.to_xml()}\")\n",
-    "\n",
-    "print(f\"to_schema json : {new_signup.to_schema()}\")\n",
-    "\n",
-    "print(f\"to_schema yaml : {new_signup.to_schema(\"yaml\")}\")\n",
     "\n",
-    "print(f\"to_dtd : {new_signup.to_dtd()}\")\n",
     "\n",
-    "print(f\"to_xsd : {new_signup.to_xsd()}\")"
+    "def display_school(signup: Signup, new_signup: Signup, persistent_data):\n",
+    "    print(\"Original signup:\", signup)\n",
+    "    print(\"New signup:\", new_signup)\n",
+    "    # Démonstration de la conversion retour vers Pyrsistent\n",
+    "    print(\"Données Pyrsistent:\", persistent_data)\n",
+    "    print(f\"to_json : {new_signup.to_json()}\")\n",
+    "    print(f\"to_xml : {new_signup.to_xml()}\")\n",
+    "    print(f\"to_schema json : {new_signup.to_schema()}\")\n",
+    "    print(f\"to_schema yaml : {new_signup.to_schema(\"yaml\")}\")\n",
+    "    print(f\"to_dtd : {new_signup.to_dtd()}\")\n",
+    "    print(f\"to_xsd : {new_signup.to_xsd()}\")"
    ],
    "id": "5c4584174cb83ecf",
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Original signup: login='johndoe' password='secret' repassword='secret' email='johndoe@example.com'\n",
-      "New signup: login='johndoe' password='secret' repassword='secret' email='janedoe@example.com'\n",
-      "Données Pyrsistent: pmap({'login': 'johndoe', 'email': 'janedoe@example.com', 'password': 'secret', 'repassword': 'secret'})\n",
-      "to_json : {\"login\": \"johndoe\", \"password\": \"secret\", \"repassword\": \"secret\", \"email\": \"janedoe@example.com\"}\n",
-      "to_xml : <signup><login>johndoe</login><password>secret</password><repassword>secret</repassword><email>janedoe@example.com</email></signup>\n",
-      "to_schema json : {'type': 'object', 'properties': {'login': {'type': 'str'}, 'password': {'type': 'str'}, 'repassword': {'type': 'str'}, 'email': {'type': 'str'}}}\n",
-      "to_schema yaml : properties:\n",
-      "  email:\n",
-      "    type: str\n",
-      "  login:\n",
-      "    type: str\n",
-      "  password:\n",
-      "    type: str\n",
-      "  repassword:\n",
-      "    type: str\n",
-      "type: object\n",
-      "\n",
-      "to_dtd : <!ELEMENT signup (<!ELEMENT login (#PCDATA)> , <!ELEMENT password (#PCDATA)> , <!ELEMENT repassword (#PCDATA)> , <!ELEMENT email (#PCDATA)>)>\n",
-      "to_xsd : <?xml version=\"1.0\" encoding=\"UTF-8\"?>\n",
-      "    <xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\">\n",
-      "        <xs:element name=\"signup\">\n",
-      "            <xs:complexType>\n",
-      "                <xs:sequence>\n",
-      "                    \n",
-      "                <xs:element name=\"login\" type=\"xs:string\">\n",
-      "                    <xs:annotation>\n",
-      "                        <xs:documentation>Field: login</xs:documentation>\n",
-      "                    </xs:annotation>\n",
-      "                </xs:element>\n",
-      "                <xs:element name=\"password\" type=\"xs:string\">\n",
-      "                    <xs:annotation>\n",
-      "                        <xs:documentation>Field: password</xs:documentation>\n",
-      "                    </xs:annotation>\n",
-      "                </xs:element>\n",
-      "                <xs:element name=\"repassword\" type=\"xs:string\">\n",
-      "                    <xs:annotation>\n",
-      "                        <xs:documentation>Field: repassword</xs:documentation>\n",
-      "                    </xs:annotation>\n",
-      "                </xs:element>\n",
-      "                <xs:element name=\"email\" type=\"xs:string\">\n",
-      "                    <xs:annotation>\n",
-      "                        <xs:documentation>Field: email</xs:documentation>\n",
-      "                    </xs:annotation>\n",
-      "                </xs:element>\n",
-      "                </xs:sequence>\n",
-      "            </xs:complexType>\n",
-      "        </xs:element>\n",
-      "    </xs:schema>\n"
-     ]
-    }
-   ],
-   "execution_count": 6
+   "outputs": [],
+   "execution_count": null
   },
   {
    "metadata": {},
    "cell_type": "markdown",
    "source": "## Générons des users\n",
    "id": "b30c01bf323eb272"
+  },
+  {
+   "metadata": {},
+   "cell_type": "code",
+   "source": "display_school(signup, new_signup, persistent_data)",
+   "id": "cb2eac54d0494e00",
+   "outputs": [],
+   "execution_count": null
   }
  ],
  "metadata": {