input: Write a function to create a loop in Python that prints each item of a given list with a custom message. The custom message should be in the format "The item is: {item}".
  def print_items_with_message(my_list):
      for item in my_list:
          print("The item is: {}".format(item))
  
  assert print_items_with_message(['A', 'B', 'C', 'D'])==None
output: def print_items_with_message(my_list):
      for item in my_list:
          print("The item is: {}".format(item))