input: Write a function to generate a Python program that takes a list of strings as input and prints the strings in alphabetical order. If the given list is empty, the program should print a message stating that the list is empty.
  assert alphabetical_order(['cat', 'dog', 'apple', 'banana']) == None
  assert alphabetical_order([]) == None
output: def alphabetical_order(strings):
      if not strings:
          print("The list is empty")
      else:
          for s in sorted(strings):
              print(s)