python中for循环
#!/usr/bin/env python _user = "lijinzhu"_pass = "123456"
for i in range(3):
user = input("Please input your username: ")
passwd = input("input your passwd: ")
if _user == user and _pass == passwd:
print("WELCOME",user,"login this system")
break
else:
print("username or passwd is wrong...")
else:
print("cuowu chaoguo 3ci,qing shaohou zai shi ......")
页:
[1]