save project

diy2.py

+i = 3
 username = ""
 username = ""
 userpassword = ""
 userpassword = ""
 while True:
 while True:
+    if i > 0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i -= 1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
         elif name != username:
         elif name != username:
             print("名错了")
             print("名错了")
-    password != userpassword
+        
         else:
         else:
             print("密码错了")
             print("密码错了")
+    else:
+        print("你账号被锁")
+        exit()
+
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")