132.py

i=3
username = "python"
userpassword = "123456"
while True:
    if i>0:
        name=input("请输入账号")
        name2=input("密码")
        i-=1
        if name==username and name2==userpassword:
            print("成功")
            break
        elif name != username:
            print("账号错误")
            print("温馨提示你还有"+str(i)+"机会")
        else:
            print("密码错误")
            print("温馨提示你还有"+str(i)+"机会")
    else:  
        print("账户锁定，请来我这解决") 
        exit() 
print("欢迎来到贝儿")