题目要求:
1.输入用户名和密码
2.判断是否正确(name = ‘root’, passwd = ‘westos’)
3.登录仅有3次及会,超过3次,报错
代码块:
for i in range(3):
name = input('用户名: ')
passwd = input('密码: ')
if name == 'root' and passwd == 'westos':
print('登录成功!')
break
else:
print('登录失败')
print('您还剩余%d次机会' %(2-i))
else:
print('失败超过3次,请稍后再试!')
示例及运行结果: