[issue43432] Add function `clear` to the `os` module

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

If you write a flexible Text ui program, you should use functions provided by a text ui library which you use to clear the screen or a part of screen.

If you want to call an external command, use os.system(), os.popen() or more flexible subprocess module. But I do not think it will help with Text UI.

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nosy: +serhiy.storchaka

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