Implement repeat function to handle string repetition with error handling for negative counts

Author: alexandru-pocovnicu

Sprint-3/2-practice-tdd/repeat.js

@@ -1,5 +1,11 @@
-function repeat() {
-  return "hellohellohello";
+function repeat(str,count) {
+  if(count<0){
+    return "Error: negative numbers are not valid";
+  }
+  return (str.repeat(count));
 }
 
 module.exports = repeat;
+
+
+