Միայն keyword արգումենտներ

def rectangle_area(length, width, *, rounded=False):
    area = length * width
    return round(area) if rounded else area


print(rectangle_area(5.3, 4.2))                # Prints 22.26, `rounded` is not provided so it defaults to False
print(rectangle_area(5.3, 4.2, rounded=True))  # Prints 22, `rounded` is provided and set to True
print(rectangle_area(5.3, 4.2, True))          # Error! `rounded` must be provided by keyword.
print(rectangle_area(5.3, 4.2, False))         # Error! `rounded` must be provided by keyword.
print(rectangle_area(length=5.3, width=4.2, rounded=True))  # Prints 22