1: https://stackoverflow.com/a/1094530/1839209
2: https://www.reddit.com/r/learnpython/comments/108zfq/tk_or_q...
3: https://www.quora.com/Should-I-use-PyQt-GTK3-or-tkinter-for-...
1: https://stackoverflow.com/a/1094530/1839209
2: https://www.reddit.com/r/learnpython/comments/108zfq/tk_or_q...
3: https://www.quora.com/Should-I-use-PyQt-GTK3-or-tkinter-for-...