code exercice 3

qualdev/debog/exo3.ts

+function deb2(x: number, y: number): void {
+    const tmp = y;
+    y = x;
+    x = tmp;
+    console.log(x, y);
+}
+
+let x = 10;
+let y = 20;
+deb2(x, y);
+console.log(x,y);
\ No newline at end of file