save project

diy2.py

@@ -6,10 +6,9 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif:
-        name !=username:
+    if name !=username:
         print("用户名输入错误,请重新输入!")
-    else:
-        # password!= userpassword:
+        continue
+    if password!= userpassword:
         print("密码输入错误,请重新输入!")   
 print("欢迎来到贝尔编程!")
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