input: Write a function to create a loop in Python that prints each item of a given list with a message. The function should take a list as input and print a formatted string for each item in the list.
  assert format_list(['A', 'B', 'C', 'D'])
  assert format_list(['X', 'Y', 'Z'])
  assert format_list(['1', '2', '3', '4', '5'])
  assert format_list(['apple', 'banana', 'cherry'])
  assert format_list([])
output: def format_list(items):
      for item in items:
          print(f"Item: {item}")