auto save

diy2.py

@@ -8,14 +8,12 @@ while i > 0:
     i -= 1
     if name == username and password == userpassword:
         print("登录成功!")
+        print("欢迎来到贝尔编程!")
         break
     if name != username:
         print("账户错误!")
         continue
     if password != userpassword:
         print("密码错误!")
-    print("用户名和密码错误!请重新输入")
-if i <= 0:
-    print("锁定")
-    exit()
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+    print("请重新输入还有"+i+"次机会")
+print("锁定")