This is a challenge to memorize a list of standard Python modules. The link and attached files are for Python 2.7, but you could memorize Python 3 modules instead.
I created CSV and Anki files for Python 2.7 modules with deprecated modules removed. (Attached)
Required copyright notice:
The text in the two attached files comes from the Python docs and is “Copyright © 2001-2013 Python Software Foundation; All Rights Reserved”. It's being redistributed under the terms of the Python license.