My solutions for Advent of Code 2015, written in Python 3.10.4.

Runtimes:

Day 1:
  Part 1: 0.05 ms
  Part 2: 8.91 ms
Day 2:
  Part 1: 1.50 ms
  Part 2: 1.33 ms
Day 3:
  Part 1: 2.21 ms
  Part 2: 3.5 ms
Day 4:
  Part 1: 483.89 ms
  Part 2: 17,032.27 ms
Day 5:
  Part 1: 2.52 ms
  Part 2: 5.50 ms
Day 6:
  Part 1: 1,908.64 ms
  Part 2: 3,034.42 ms
Day 7:
  Part 1: 31.66 ms
  Part 2: 33.22 ms
Day 8:
  Part 1: 0.81 ms
  Part 2: 0.19 ms
Day 9:
  Part 1: 250.50 ms
  Part 2: 123,105.75 ms
Day 10:
  Part 1: 374.85 ms
  Part 2: 10,821.07 ms
Day 11:
  Part 1: 1,023.66 ms
  Part 2: 5,025.93 ms
Day 12:
  Part 1: 0.86 ms
  Part 2: 0.58 ms