'use strict';

// use a 'for' loop
function repeatStringNumTimesWithFor(str, num) {
  // add your code here
  return str;
}

console.log('for', repeatStringNumTimesWithFor('abc', 3));

// use a 'while' loop
function repeatStringNumTimesWithWhile(str, num) {
  // add your code here
  return str;
}

console.log('while', repeatStringNumTimesWithWhile('abc', 3));

// use a 'do...while' loop
function repeatStringNumTimesWithDoWhile(str, num) {
  // add your code here
  return str;
}

console.log('while', repeatStringNumTimesWithDoWhile('abc', 3));