登录操作(方法二:for与else搭配)

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登录操作(方法二:for与else搭配)

user_name="star"
passwoed=‘123‘

count=0
for i in range(3):
u_username=input("please input your username:")
u_password=input("please input your password:")

if u_username==user_name and u_password==passwoed:
print("welcome to %s"%u_username)
break
else:
count+=1
print("your username or password is Error")
else:
count==3
print("you have try more times,would you want to try again? please input yes or no,please choose")
answer=input("your choose:")
if answer==‘yes‘:
print("go away,hahahah")
Input:错误操作

please input your username:aaa
please input your password:a
your username or password is Error
please input your username:a
please input your password:a
your username or password is Error
please input your username:a
please input your password:a
your username or password is Error
you have try more times,would you want to try again? please input yes or no,please choose
your choose:yes
go away,hahahah

进程已结束,退出代码0

Input:错误操作

please input your username:star
please input your password:123
welcome to star

进程已结束,退出代码0

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