input: Write a function to remove all the whitespaces from each string in a given list of strings. Return the updated list of strings without any whitespaces. If the input list is empty, return an empty list.
  def remove_whitespace(word_list):
      return [word.strip() for word in word_list]
  
  assert remove_whitespace(['Hello  World  ', 'Hi  there', 'Good  Morning'])==['HelloWorld', 'Hithere', 'GoodMorning']
  assert remove_whitespace(['  Example   ', '  Test  ', 'String'])==['Example', 'Test', 'String']
  assert remove_whitespace([])==[]
output: def remove_whitespace(word_list):
      return [''.join(word.split()) for word in word_list]