prompt += "\nYou can input 'quit' to quit !\n"
active = True
while active :
age = input(prompt)
if age == 'quit':
acitve = False
else:
age = int(age)
if age < 3:
print("Free!")
elif age <= 12:
print("The ticket price is 10 dollars!")
else:
print("The ticket price is 15 dollars!")
(prompt = "\nPlease enter the your age:"
prompt += "\n(Enter 'quit' when you are finished.) "
active=True
while active :
age = input(prompt)
if age == 'quit':
active=False
else:
age=int(age)
if age<3:
print("free")
elif (age>=3 and age<=12):
print("The ticket price is 10 dollars.")
else:
print("The ticket price is 15 dollars."))
if age == 'quit':
acitve= False
看不出循环的层次
建议用代码功能贴下代码。
#定义初值
prompt = "\nHow old are you ? "
prompt += "\nYou can input 'quit' to quit !\n"
active=True
while active:
age = input(prompt)
if age == 'quit':
active=False
else:
age = int(age)
if age < 3:
print("Free!")
elif age <= 12:
print("The ticket price is 10 dollars!")
else:
print("The ticket price is 15 dollars!")
就是拼错了ACTIVE。。。谢谢大家!