input: Write a function to sort a list of strings in alphabetical order and print each string. The function should take a list of strings as input and print the sorted strings in the desired order.
  assert sort_strings(['cat', 'dog', 'apple', 'banana'])==None
  assert sort_strings(['zebra', 'ant', 'elephant', 'bear'])==None
output: def sort_strings(strings):
      sorted_strings = sorted(strings)
      for string in sorted_strings:
          print(string)