input: 
  from typing import List
  
  def remove_whitespace(word_list: List[str]) -> List[str]:
      """ Given a list of strings, remove all the whitespaces from each string.
      >>> remove_whitespace(['Hello  World  ', 'Hi  there', 'Good  Morning'])
      ['HelloWorld', 'Hithere', 'GoodMorning']
      """
      return [''.join(word.split()) for word in word_list]
  
output:     return [''.join(word.split()) for word in word_list]