save project

diy2.py

@@ -6,9 +6,10 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif name != username:
+    if name != username:
         print("该用户不存在,请重新输入!")
-    else:
+        continue
+    if password != username:
         print("密码输入错误!请重新输入!")
-    
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+else:    
+    print("欢迎来到贝尔编程!")
\ No newline at end of file