diff --git a/rendu.md b/rendu.md
new file mode 100644
index 0000000..7c27e4f
--- /dev/null
+++ b/rendu.md
@@ -0,0 +1,14 @@
+# Exercice 2
+
+function_1(tableau1, tableau2) : Complexité O(n*m) ou n est la longueur de tableau1 et m la longueur du tableau2
+
+function_2(x) : Complexité de 0(x)
+
+function_3(x) : Complexité de O(1)
+
+
+
+
+
+
+
diff --git a/tri.py b/tri.py
new file mode 100644
index 0000000..d1462c0
--- /dev/null
+++ b/tri.py
@@ -0,0 +1,42 @@
+tab = [
+  [7, 1, 4],
+  [9, 3, 0],
+  [2, 6, 10],
+  [5, 2, 1],
+  [0, 8, 7],
+  [4, 9, 3],
+  [1, 0, 6],
+  [10, 5, 2],
+  [3, 7, 8],
+  [6, 4, 9],
+  [8, 2, 5],
+  [0, 3, 1],
+  [7, 10, 4],
+  [9, 6, 0],
+  [5, 8, 3],
+  [2, 1, 7],
+  [4, 0, 9],
+  [3, 5, 6],
+  [10, 7, 2],
+  [1, 8, 4]
+]
+
+
+def tri(tableau):
+    x = 0
+    valueTab = {}
+    for subTab in tableau :
+        sum = 0  
+        subTab.sort() 
+        for value in subTab:
+            sum = sum + value
+        valueTab[x] = sum
+        x = x + 1
+    newValueTab = dict(sorted(valueTab.items(), key=lambda item: item[1]))
+    newTab = []
+    for key in newValueTab:
+        newTab.append(tableau[key])
+    return newTab
+
+print(tri(tab))
+