save project

diy1.py

@@ -6,10 +6,11 @@ while True:
     if name == usernname and password == userpassword# 请用input()实现用户输入账号、密码的功能
         print("登录成功")
         break
-    if name != usernname:
-        print("用户名错误，请重新输入")
-        continue
-    if password != userpassword:
+    elif name != username:
+        print("用户名不存在,请重新输入！")
+
+        
+    else:
         print("密码错误，请重新输入")
 print("欢迎来到贝尔编程")