My solutions for Advent of Code 2021, in Python 3 using only the standard library.
Puzzle inputs are read from a input.txt file in the respective directory for each day's solution.
Previous editions:
Solution implementations are released into the public domain under the UNLICENSE license.
Puzzle text and inputs are all the sole property of Advent of Code and may not be replicated or used by any other person or entity without express written consent of Advent of Code.