input: Write a function to print each item of the given list with a message. The function should take a list as input and print each element in the list in the format "The item is: [item]". 
  assert print_items(['A', 'B', 'C', 'D']) == None
  assert print_items([]) == None
output: def print_items(lst):
      for item in lst:
          print(f"The item is: {item}")