diff --git a/recherche/main.py b/recherche/main.py
new file mode 100644
index 0000000..0cf1a24
--- /dev/null
+++ b/recherche/main.py
@@ -0,0 +1,13 @@
+if __name__ == "__main__":
+    liste1 = [12,1,20,5,23,8,29,10]
+    liste2 = [23,5,19,11,18,20,29,1,5,10,8]
+
+def recherche_naive(l1, l2):
+    if not l1 or not l2:
+        return []
+    if l1[0] == l2[0]:
+        return [l1[0]] + recherche_naive(l1[1:], l2[1:])
+    else:
+        seq1 = recherche_naive(l1[1:], l2)
+        seq2 = recherche_naive(l1, l2[1:])
+        return seq1 if len(seq1) >= len(seq2) else seq2
\ No newline at end of file