关于exit：’quit’命令在python中不起作用

'quit' command not working in python

我的问题是，当我问玩家是否想再玩一次，如果他们说不，我就把它带到了应该退出剧本的地方。但它似乎不起作用。完整代码如下：

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def choose_level():

print("Please choose a level:
"
"
"
"(Level 1) - Easy
"
"(Level 2) - Medium
"
"(Level 3) - Hard
")

lvl_1={"Level 1","level 1","1"}
lvl_2={"Level 2","level 2","2"}
lvl_3={"Level 3","level 3","3"}

choice=input("")
if choice in lvl_1:
level_1()
elif choice in lvl_2:
level_2()
else:
print ("[!] UNKNOWN LEVEL [!]
")
choose_level()

def level_1():

import random #imports the module 'random'

yes={"Yes","Y","yes","y"} #set 'yes' to these 4 strings
no={"No","N","no","n"} #set 'no' to these 4 strings

name=input("What's your name?
") #asks for a name

secret=int(random.random()*10)+1 #randomly generate a number

trynum=0 #sets the number of tries to 0

print ("---------------------------------------------------------------------
"
"---- Welcome,",name+"! To Level 1!
"
"---- I am thinking of a number between 1 and 10.
"
"---- Lets see how many times it will take you to guess the number.
"
"---------------------------------------------------------------------
")

while True: #starts a loop

trynum=trynum+1 #sets number of tries to itself + 1

guess=int(input("What is guess #"+str(trynum)+"?
")) #asks for a guess

if guess<secret: #if guess is too low/less than(<)
print ("Too Low. Try again!")

elif guess>secret: #if guess is too high/greater than(>)
print ("Oops!! Too high, better luck next try!")

else:
if trynum==1: #if number of tries is only 1
print ("-------------------------------------------------
"
"----",name+"! You got it in",trynum,"guess!
"
"-------------------------------------------------
")
else: #if number of tries is anything else
print ("-------------------------------------------------
"
"----",name+"! You got it in",trynum,"guesses!
"
"-------------------------------------------------
")

if trynum<3: #if guessed in less than 3 tries
print ("Bravo!")

elif trynum<5: #if guessed in less than 5 tries
print ("Hmmmmpf... Better try again")

elif trynum<7: #if guessed in less than 7 tries
print ("Better find something else to do!")

else: #if guessed in more than 7 tries
print ("You should be embarssed! My dog could pick better.")

choice=input("""Would you like to play again? ("yes" or"no")
""") #asks if you want to play again
if choice in yes: #if yes, then run game again
choose_level()
if choice in no: #if no, then quit the game
print ("Okay.. Goodbye :(")
quit
break

def level_2():

import random

yes={"Yes","yes","Y","y"}
no={"No","no","N","n"}

name=input("What's your name?
")

secret=int(random.random()*8)+1

trynum=0

print ("--------------------------------------------------------------------------
"
"---- Welcome,",name+"! to Level 2!
"
"---- I am thinking of a number between 1 and 8.
"
"---- You have 20 guesses, and the number changes after every 4th guess
"
"--------------------------------------------------------------------------
")

while True:

trynum=trynum+1

guess=int(input("What is guess #"+str(trynum)+"?
"))

if trynum==4:
secret=int(random.random()*8)+1
print ("The number has changed!!")

elif trynum==8:
secret=int(random.random()*8)+1
print ("The number has changed!!")

elif trynum==12:
secret=int(random.random()*8)+1
print ("The number has changed!!")

elif trynum==16:
secret=int(random.random()*8)+1
print ("The number has changed!!")

elif trynum==20:
print ("-------------------------------------------------
"
"----",name+", you lost! :(
"
"-------------------------------------------------
")
choice=input("""Would you like to play again? ("yes" or"no")
""") #asks if you want to play again
if choice in yes: #if yes, then run game again
choose_level()
elif choice in no: #if no, then quit the game
print ("Okay.. Goodbye :(")
quit

if guess<secret:
print ("Too low, try again!")

elif guess>secret:
print ("Too high, try again!")

else:
if trynum==1: #if number of tries is only 1
print ("-------------------------------------------------
"
"----",name+"! You got it in",trynum,"guess!
"
"-------------------------------------------------
")

else: #if number of tries is anything else
print ("-------------------------------------------------
"
"----",name+"! You got it in",trynum,"guesses!
"
"-------------------------------------------------
")

if trynum<3: #if guessed in less than 3 tries
print ("Bravo!")

elif trynum<5: #if guessed in less than 5 tries
print ("Hmmmmpf... Better try again")

elif trynum<7: #if guessed in less than 7 tries
print ("Better find something else to do!")

else: #if guessed in more than 7 tries
print ("You should be embarssed! My dog could pick better.")

choice=input("""Would you like to play again? ("yes" or"no")
""") #asks if you want to play again
if choice in yes: #if yes, then run game again
choose_level()
if choice in no: #if no, then quit the game
print ("Okay.. Goodbye :(")
quit
break
choose_level()
level_1()
level_2()

我遇到的问题是：

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choice=input("""Would you like to play again? ("yes" or"no")
""") #asks if you want to play again
if choice in yes: #if yes, then run game again
choose_level()
if choice in no: #if no, then quit the game
print ("Okay.. Goodbye :(")
quit
break

号

当我运行程序时，我到达了那个点，输入"no"，它只会让我回到第一层。我被卡住了，不知道从这里到哪里去。感谢您的帮助。