条件判断的低级错误
while True:
answer = input('是否继续?y/n')
if answer == 'y' or 'Y': #这样永远都是True,因为or右边非空字符串是Ture
# 应该改成if answer == 'y' or answer == 'Y':
continue
else:
break

条件判断的低级错误
while True:
answer = input('是否继续?y/n')
if answer == 'y' or 'Y': #这样永远都是True,因为or右边非空字符串是Ture
# 应该改成if answer == 'y' or answer == 'Y':
continue
else:
break