save project

diy1.py

@@ -7,7 +7,6 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功")
         print("登录成功")
         break
         break
-    print("用户名和密码错误，请重新输入!")
     if name != username:
     if name != username:
         print("用户名不存在,请重新输入!")
         print("用户名不存在,请重新输入!")
     if password != userpassword:
     if password != userpassword: