What software to use to be able to build a game by python

Answer 1

Every language has libraries which are some codes that make it easier and faster for programmer
One of these libraries is pygame library
Simply in this one you can draw shapes and make things move and of course alot more
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The programming software or programming environment called idle as Integered DeveLopment Environment
One of most use is the official idle of python
And then you have a very good one which is pycharm and also pyscript , intelliJ IDEA , Atom , Sublime , netpeans this one special for design , anaconda and still alot more around
Don't get confused , make it simple study the main language and then its game library (pygame), (study it and install it from your CMD or terminal then you could use it) after that you will be able to choose which IDLE or compiler is suitable for you.
See my snake game by pygame library :
https://code.sololearn.com/cPHy99xM35Vo/?ref=app
And here another one (space invaders) it is stupid but it works :
https://code.sololearn.com/c0LnZZhi7G6W/?ref=app

Answer 2

For 2d games you can use pygame