text: /*
  Challenge:
  
  Complete the function that accepts a string parameter, and reverses each word in the string. All spaces in the string should be retained.
  
  Examples
      "This is an example!" ==> "sihT si na !elpmaxe"
      "double  spaces"      ==> "elbuod  secaps" */
  
  function reverseWords(str) {
      return str
          .split(' ')
          .map((word) => word.split('').reverse().join(''))
          .join(' ');
  }
  