auto save

diy1.py

-username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
+ 
+i=3
+username = "python"   
 userpassword = "123456"
 while True:
-    name = input("请输入用户名：")
-
-    password = input("请输入密码：")
-    if name == username and password == userpassword:
-        print("登陆成功！")
-        break
-    if name != username:
-        print("用户名错误！请重新输入！")
-    if password != userpassword:
-        print("用户密码错误！请重新输入!")
+    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:
+            print("登陆成功！")
+            break
+        if name != username:
+            print("用户名错误！请重新输入！")
+            continue
+        if password != userpassword:
+            print("用户密码错误！请重新输入!")
+        else:
+            print("你的账户已经被s'd")
     print("用户名和密码错误！请重新输入！")
 print("欢迎来到贝尔编程")
     
-# 请用input()实现用户输入账号、密码的功能
-
-
-
-# 如果用户输入的账号、密码正确，提示登陆成功if
\ No newline at end of file