text: 
  
  const preClassDrill = (input) => {
  
      // for (i=0; i < input.length; i++) {
      //     if (input[i] !== '') newstring += input[i];
      // }
  
      return input.toLowerCase(). replace(/\s/g, '');
  };
  
  module.exports = preClassDrill;
  
  //Write a test for this.
  