跟书上一样的代码，我的代码没有结果也不报错

Question

requested_toppings = []
if requested_toppings:
for requested_topping in requested_toppings:
print("Adding " + requested_topping + ".")
print("\nFinished making your pizza!")
else:
print("Are you sure you want a plain pizza?")

Answer 1

requested_toppings = []
if requested_toppings:
    for requested_topping in requested_toppings:
        print("Adding " + requested_topping + ".")
        print("\nFinished making your pizza!")
else:
    print("Are you sure you want a plain pizza?")