如何在python中使用break结束while循环

Question

我在这里写了一个循环，询问用户是否要重复一个指令块。并且想要给用户三次尝试来选择他想要的(是/否(，如果他没有结束循环。这是我的代码：

# Ask for repeating
i = 0
def question():
global i
while True:
print("Give another try?")
answer = input("(Y/N): ")
answer = answer.upper()
if answer == 'Y':
main()
elif answer == 'N':
print("Thank you for participating")
break # here it works when 'n' is typed
else: # i count how much the while loop id repeated
if (i < 2):
i += 1
question()
else: # else is executed when i == 2
print("don't Play with us!!")
break # here it doesn't work.

我需要帮助。

Answer 1

x = True
i = 0
def question():
# Ask for repeating
global i
global x
while x is True:
print("Give another try?")
answer ='a'
answer = answer.upper()
if answer == 'Y':
pass
elif answer == 'N':
print("Thank you for participating")
break  # here it works when 'n' is typed
else:  # i count how much the while loop id repeated
if (i < 2):
i += 1
question()
else:  # else is executed when i == 2
print("don't Play with us!!")
x = False  # here it doesn't work.

Answer 2

在最后一个else块外添加另一个break。你的代码应该是

i = 0
def question():
global i
while True:
print("Give another try?")
answer = input("(Y/N): ")
answer = answer.upper()
if answer == 'Y':
main()
elif answer == 'N':
print("Thank you for participating")
break # here it works when 'n' is typed
else: # i count how much the while loop id repeated
if (i < 2):
i += 1
question()
else: # else is executed when i == 2
print("don't Play with us!!")
break # here it doesn't work.
break