save project

diy.6_1.py

 username="454380"
 userpassword="123456"
+i=3
 while True:
+    if i>0:
         name=input("请输入你的用户名")
         password=input("请输入你的密码：")
+        i-=1
         if name==username and password==userpassword:
             print("登陆成功")
             break
-    elif name != username:
+        if name != username:
             print("用户名不存在，请重新输入")
-    else:
-         #password != userpassword:
+            continue
+        if password != userpassword:
             print("密码错误，请重新输入")
+    else:
+        print("你的账户已被锁住，请一个小时后再试!")
+        exit()
 print("欢迎来到贝尔世界!")
\ No newline at end of file