input: Write a function to take a list of strings as input and print the strings in alphabetical order.
  assert alphabetical_order(['cat', 'dog', 'apple', 'banana'])==None
  assert alphabetical_order(['zebra', 'elephant', 'apple', 'banana'])==None
  assert alphabetical_order(['python', 'java', 'c', 'go'])==None
  assert alphabetical_order(['one', 'two', 'three', 'four'])==None
  assert alphabetical_order(['car', 'bus', 'truck', 'bike'])==None
output: def alphabetical_order(strings):
      for s in sorted(strings):
          print(s)