diff --git a/module2/exo2/exercice.ipynb b/module2/exo2/exercice.ipynb
new file mode 100644
index 0000000000000000000000000000000000000000..0bbbe371b01e359e381e43239412d77bf53fb1fb
--- /dev/null
+++ b/module2/exo2/exercice.ipynb
@@ -0,0 +1,25 @@
+{
+ "cells": [],
+ "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": "3.6.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
+
diff --git a/module2/exo3/exercice.ipynb b/module2/exo3/exercice.ipynb
new file mode 100644
index 0000000000000000000000000000000000000000..0bbbe371b01e359e381e43239412d77bf53fb1fb
--- /dev/null
+++ b/module2/exo3/exercice.ipynb
@@ -0,0 +1,25 @@
+{
+ "cells": [],
+ "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": "3.6.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
+
diff --git a/module2/exo4/exercice.ipynb b/module2/exo4/exercice.ipynb
new file mode 100644
index 0000000000000000000000000000000000000000..0bbbe371b01e359e381e43239412d77bf53fb1fb
--- /dev/null
+++ b/module2/exo4/exercice.ipynb
@@ -0,0 +1,25 @@
+{
+ "cells": [],
+ "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": "3.6.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
+
diff --git a/module3/exo2/exercice.ipynb b/module3/exo2/exercice.ipynb
new file mode 100644
index 0000000000000000000000000000000000000000..0bbbe371b01e359e381e43239412d77bf53fb1fb
--- /dev/null
+++ b/module3/exo2/exercice.ipynb
@@ -0,0 +1,25 @@
+{
+ "cells": [],
+ "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": "3.6.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
+
diff --git a/module3/exo3/exercice.ipynb b/module3/exo3/exercice.ipynb
new file mode 100644
index 0000000000000000000000000000000000000000..0bbbe371b01e359e381e43239412d77bf53fb1fb
--- /dev/null
+++ b/module3/exo3/exercice.ipynb
@@ -0,0 +1,25 @@
+{
+ "cells": [],
+ "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": "3.6.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
+