complete add and add2 functions

Author: strongdan

add/add.ts

@@ -1,13 +1,17 @@
 function add(param1: number, param2: number): number {
-
+  return param1 + param2;
 }
 
-// function add2(param1: number[]): number {
-
-// }
-// console.log(add(1, 2));
-// console.log(add(3, 2));
+function add2(param1: number[]): number {
+  let sum = 0;
+  for (let i = 0; i < arguments.length; i++){
+    sum += arguments[i];
+  }
+  return sum;
+}
+console.log(add(1, 2));
+console.log(add(3, 2));
 
-// console.log(add2(1,2,3,4,5));
-// console.log(add2(2,3));
+console.log(add2(1,2,3,4,5));
+console.log(add2(2,3));