input: Write a function to remove all the whitespaces from each string in a given list of strings. Return a new list containing the strings without any spaces. If the given list is empty, return an empty list.
  assert remove_whitespace(['Hello  World  ', 'Hi  there', 'Good  Morning'])==['HelloWorld', 'Hithere', 'GoodMorning']
  assert remove_whitespace([])==[]
output: def remove_whitespace(strings):
      return [s.replace(" ", "") for s in strings]