pip install aoc-lube for just fetch and submit functions or pip install aoc-lube[utils] for optional dependencies (networkx, numpy) for utility functions.
Save your user token to ~/.aoc_lube/.token.
[Optional] Create a new directory for your solutions. In this directory, run the function aoc_lube.setup_dir() or from the command line, python -m aoc_lube [-y YEAR] [-t TEMPLATE]. (If no year is given, the current year will be used.)