save project

diy4.py

@@ -6,7 +6,6 @@ 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("用户名错误!请重新输入")
         print("用户名错误!请重新输入")
         continue
         continue