Tkinter is a Python binding to the Tk GUI toolkit. It is the standard Python interface to the Tk GUI toolkit, and is Python's de facto standard GUI.
Tkinter is included with standard Linux, Microsoft Windows and Mac OS X installs of Python. The name Tkinter comes from Tk interface.
Unfortunately Tkinter is not installed on CentOS 7 as a part of Python standard package, When you need Tkinter in your Python Code on CentOS 7, you can install it as following:
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