save project

diy1.py

@@ -7,5 +7,8 @@ while True:
     if name == username and password == userpassword:    
     if name == username and password == userpassword:    
         print("登陆成功")
         print("登陆成功")
         break
         break
-        print("登录失败")
+    if name != username
+        print("用户名不正确，重新输入")
+    if password != userpassword    
+        print("密码有误,登录失败")
 print("欢迎来到贝尔星球") 
 print("欢迎来到贝尔星球")