created a generic function

Author: sofiane-abou-abderrahim

app.ts

@@ -94,3 +94,8 @@ buttonElement.addEventListener('click', () => {
   printResult(result, OutputMode.CONSOLE);
   printResult(result, OutputMode.ALERT);
 });
+
+function logAndEcho<T>(val: T) {
+  console.log(val);
+  return val;
+}