auto save

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 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:
             if password == userpassword: 
             if password == userpassword: 
                 print("登录成功!")
                 print("登录成功!")
-            break
+            
             else：
             else：
                 print("密码错误")
                 print("密码错误")
         else：
         else：
             print("用户名错误")
             print("用户名错误")
+    else：
+            print("账号锁定")
+            exit()
        # if name != username:
        # if name != username:
           # print("用户名错误")
           # print("用户名错误")
           # continue
           # continue