在网上看到好多使用tkinter制作登录界面的例子，但是这些例子只有验证过程，没有验证成功后显示用户界面的过程，请问用户界面是应该重新建立一个窗体还是在主窗体上面重构？请大神赐教。最好能给个例子。谢谢！

When I offered to review Python Standard Library, I expected to find a dull list of library functions with dry descriptions of their arguments. I was pleasantly surprised, though, when I started ...