Made some changes

Author: AV1004

practice/practice.js

@@ -125,5 +125,5 @@ const Promise = require("bluebird");
 // console.log(+"10" - 5);
 
 // Exponential Operator
-console.log(2 ** 2);
-console.log(2 ** 5);
+// console.log(2 ** 2);
+// console.log(2 ** 5);