http://adventofcode.com/ To run the puzzles against your own input, use chrome dev tools to learn your session cookie value, then export it, e.g. $ export ADVENT_SESSION=5361xxxxxxxxxxxxxxxxxxxxxxxxxxxxx.... $ python day1.py or C:\Users\...\>set ADVENT_SESSION=53616c746564xxxxxx..... C:\Users\...\>python day1.py final floor 138 basement at 1771