How it works (the internals)
python-core-gil
python-core-zen
Make it efficient
python-core-threading
python-core-logging
Get stuff done
python-core-lxml
python-core-re-groups
python-core-file-management
External libraries
python-libs-pandas
python-libs-pandas-plotting
python-libs-recommendations
Other languages
python-comparison-to-javascript (translating JavaScript to Python and back)