diff --git a/module3/exo3/exercice_fr.ipynb b/module3/exo3/exercice_fr.ipynb
index 0bbbe371b01e359e381e43239412d77bf53fb1fb..adb63c9f6e2e5725e3e7b879ff994dcea316e9cb 100644
--- a/module3/exo3/exercice_fr.ipynb
+++ b/module3/exo3/exercice_fr.ipynb
@@ -1,5 +1,160 @@
 {
- "cells": [],
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%matplotlib inline\n",
+    "import pandas as pd\n",
+    "import matplotlib.pyplot as plt\n",
+    "import re"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "log_file_path = 'https://polaris.imag.fr/arnaud.legrand/teaching/2014/RICM4_EP_ping/liglab2.log.gz'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "data = pd.read_csv(log_file_path, delimiter='\\t', header=None)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def extract_info(row):\n",
+    "    timestamp = re.search(r'\\[(.*?)\\]', row).group(1)\n",
+    "    message_size = re.search(r'(\\d+) bytes', row).group(1)\n",
+    "    return float(timestamp), int(message_size)\n",
+    "\n",
+    "\n",
+    "data[['timestamp', 'message_size']] = data[0].apply(extract_info).apply(pd.Series)\n",
+    "\n",
+    "data.head()\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "plt.figure(figsize=(10, 6))\n",
+    "plt.plot(data['timestamp'], data['message_size'], label='Message Size over Time')\n",
+    "plt.xlabel('Time (s)')\n",
+    "plt.ylabel('Message Size (bytes)')\n",
+    "plt.title('Evolution of Transmission Size Over Time')\n",
+    "plt.grid(True)\n",
+    "plt.legend()\n",
+    "plt.show()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
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+       "\n",
+       "    .dataframe tbody tr th {\n",
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+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
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+       "      <th></th>\n",
+       "      <th>0</th>\n",
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+       "      <th>0</th>\n",
+       "      <td>[1421761682.052172] 665 bytes from lig-publig....</td>\n",
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+       "      <th>1</th>\n",
+       "      <td>[1421761682.277315] 1373 bytes from lig-publig...</td>\n",
+       "    </tr>\n",
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+       "      <th>2</th>\n",
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+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>[1421761682.729257] 1107 bytes from lig-publig...</td>\n",
+       "    </tr>\n",
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+       "      <th>4</th>\n",
+       "      <td>[1421761682.934648] 1128 bytes from lig-publig...</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                                                   0\n",
+       "0  [1421761682.052172] 665 bytes from lig-publig....\n",
+       "1  [1421761682.277315] 1373 bytes from lig-publig...\n",
+       "2  [1421761682.502054] 262 bytes from lig-publig....\n",
+       "3  [1421761682.729257] 1107 bytes from lig-publig...\n",
+       "4  [1421761682.934648] 1128 bytes from lig-publig..."
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
  "metadata": {
   "kernelspec": {
    "display_name": "Python 3",
@@ -16,10 +171,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.3"
+   "version": "3.6.4"
   }
  },
  "nbformat": 4,
  "nbformat_minor": 2
 }
-