duplicated solutions in loops to match themes

lectures/lec5/p1/task7.js

@@ -1,3 +1,13 @@
 sum = function(...args)  {
     return args.filter(num => num % 2 !== 0).reduce((acc, num) => acc + num, 0);
+}
+
+sum = function(...args) {
+    let total = 0;
+    for (let num of args) {
+        if (num % 2 !== 0) {
+            total += num;
+        }
+    }
+    return total;
 }