save project

diy2.py

@@ -6,9 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if username!=name: 
+    elif username!=name: 
         print('用户名错误,请重新输入')
-        continue
-    if userpassword!=password: 
+    else userpassword!=password: 
         print('密码错误,请重新输入')
 print("欢迎来到贝尔编程!")
\ No newline at end of file