count = 0
while count < 3:
user = input("123321")
pwd = input("456654")
if user =="alex" and pwd == "123":
print("欢迎登录")
break
else:
print("用户名或者密码错误")
count = count + 1
While 用于循环
continue 用于循环中暂停一个指定的数,不影响循环
break 用于终止循环
count = 0
while count < 3:
user = input("123321")
pwd = input("456654")
if user =="alex" and pwd == "123":
print("欢迎登录")
break
else:
print("用户名或者密码错误")
count = count + 1
While 用于循环
continue 用于循环中暂停一个指定的数,不影响循环
break 用于终止循环