diff --git a/module2/exo1/toy_notebook_mission2.ipynb b/module2/exo1/toy_notebook_mission2.ipynb
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index 0000000000000000000000000000000000000000..6903aa4ce87d9d6ae160c92a3fa57f21e5ff3689
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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Some mathematical calculations"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "0.8"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "def f(x,y):\n",
+    "    if y != 0:\n",
+    "        return x/y\n",
+    "    else:\n",
+    "        return x/(y+1e-9)\n",
+    "\n",
+    "f(4,5)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    " $$\\int_0^\\infty e^{-x^2} dx = \\frac{\\sqrt{\\pi}}{2}$$"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Partie 1: Creation of the list"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "**A bullet list**:\n",
+    "\n",
+    "- the first ellemnt\n",
+    "    -water\n",
+    "    -LNAPL\n",
+    "\n",
+    "- the second element\n",
+    "    -SER\n",
+    "    -Polymer flooding\n",
+    "\n",
+    "**A nummbered list**:\n",
+    "\n",
+    "1. the first element\n",
+    "2. the second element"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# A code block"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Hello, world!\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(\"Hello, world!\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "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": "3.6.4"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}