auto save

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        if password == userpassword: 
-            print("登录成功!")
-            break
+    if i>0：
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            if password == userpassword: 
+                print("登录成功!")
+            
+            else：
+                print("密码错误")
         else：
         else：
-            print("密码错误")
+            print("用户名错误")
     else：
     else：
-        print("用户名错误")
+            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