input: Write a function to sort and print a list of strings in alphabetical order.
  assert sort_and_print(['cat', 'dog', 'apple', 'banana'])==None
  assert sort_and_print(['zebra', 'ant', 'bee', 'elephant'])==None
output: def sort_and_print(lst):
      sorted_lst = sorted(lst)
      for item in sorted_lst:
          print(item)