> 原文:[https://www . geeksforgeeks . org/如何删除列表框中的多个选定项目/tkinter/](https://www.geeksforgeeks.org/how-to-remove-multiple-selected ...
本文着重于使用 Python 中的 **Tkinter** 和**数学**包来评估数学表达式。 [**Tkinter:**](https://www.geeksforgeeks.org/python-gui-tkinter/)Python ...
In any Tkinter program, the first thing you need is a window. This window will act as a container for your app. This line brings the Tkinter library into your program. We give it the nickname tk so we ...
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