configparser — Configuration file parser

Source code: Lib/configparser.py

csv — CSV File Reading and Writing

Source code: Lib/csv.py

netrc — netrc file processing

Source code: Lib/netrc.py

xdrlib — Encode and decode XDR data

Source code: Lib/xdrlib.py

plistlib — Generate and parse Apple .plist files

Source code: Lib/plistlib.py