diff --git a/exo5.ts b/exo5.ts
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..26f3b71ca028aea2b7eb9f18b72d9435452b7f27 100644
--- a/exo5.ts
+++ b/exo5.ts
@@ -0,0 +1,20 @@
+let j = 10; 
+console.log(j); 
+
+deb4();
+
+console.log( j); 
+
+function deb4(): number {
+   
+    let j = 25;
+    console.log( j); 
+
+    for (let i = 0; i < 10; i++) {
+       
+        let j = 2 * i;
+        console.log(i,j);
+    }
+
+    return j; 
+}
\ No newline at end of file