# 8-12. Sandwiches: Write a function that accepts a list of items a person wants
# on a sandwich. The function should have one parameter that collects as many
# items as the function call provides, and it should print a summary of the sandwich
# that is being ordered. Call the function three times, using a different number
# of arguments each time.
def make_sandwich(*items):
    """Prints a summary of sandwich order."""
    print('\nYou ordered a sandwich with the following items: ')
    for item in items:
        print(item)

make_sandwich('ketchup', 'mustard')
make_sandwich('meat', 'cheese', 'lettuce', 'tomatoes')
make_sandwich('plain')