input: Write a python function to check if a list of words is in alphabetical order.
  assert check_if_list_is_in_alphabetical_order(['apple', 'banana', 'cherry']) == True
  assert check_if_list_is_in_alphabetical_order(['banana', 'apple', 'cherry']) == False
  assert check_if_list_is_in_alphabetical_order(['cat', 'dog', 'hippo', 'horse']) == True
output: def check_if_list_is_in_alphabetical_order(words):
      return words == sorted(words)