Advent of Code 2020 Walkthrough

Live Walkthroughs of 2020 Advent of Code. Hours of 🐍 insight. Watch me struggle and fuss as I code up Pythonic solutions.

Covers:

Functional programming
Generators
Comprehensions
Doctest
Pytest
PDB
Emacs!
Regular Expressions
Objects
Refactoring
Iteration
Fixtures

Over 10 hours of content!

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Day 1

Looping, doctests, functional programming

Advent of Code 2020 Day 1.mp4

Watch me solve Advent of Code Day 1 part 2.mp4

day1.py

input.txt

Day 1: Quiz

day1.py

AOC Day 1 - Revisited.mp4

Preview

Day 2

Watch me fumble through an obvious bug and refuse to use regular expressions until I'm forced to. Also, I drink some "soda"

day2.py

input.txt

Advent of Code_ Day 2.mp4

Day 2 Part 2 AOC.mp4

Day 3

Pytest and off by one errors. Functional programming, comprehensions, keyword-only arguments.

input.txt

day3.py

test_day3.py

AOC Day 3.mp4

AOC Day3 - Pytest, while, loops, off by one.mp4

Day 4 - Splitting, comprehensions, pytest, sets

We make generous use of splitting and tests. Also discuss sets.

AOC Day 4 Part 1.mp4

Day4Part2-combined.mov

day4.py

input.txt

test_day4.py

Day 5 - Binary, stripping!, tuples, max, lambda, slicing, set comprehensions, and doctests

GMT20201205-162100_AOC_3840x2160.mp4

day5.py

input.txt

AOC Day 5 part 2.mp4

Day 6 - Splitting, sets, literals, mutation, doctest, and pdb!

day6.py

input.txt

Day 6 Part 1.mp4

Day 6 Part 2.mp4

Day 7 - Tree traversal, pdb, parsing

day7.py

input.txt

test_day7.py

AOC Day 7 Part 1.mp4

AOC day 7 BFS....mp4

AOC day 7 part 2.mp4

Day 8 - While, .replace, sets, pytest, pdb

day8.py

input.txt

test_day8.py

GMT20201208-050039_AOC_1920x1080.mp4

Day 9 - Encryption - big O, slicing, comprehensions, pytest, half-open interval

test_day9.py

input.txt

day9.py

day9-part1.mp4

Preview

day9-part2.mp4

Day 10 - Graphs, traversal, brute force, frustration, sleep, enlightenment!

Advent of Code - Day 10.mp4

Day 10 - Part 2.mp4

Day 10 Part 3....mp4

Day 10 Finished!.mp4

Preview

day10.py

test_day10.py

input.txt

Day 11 - Classes, pytest, fixtures, class methods, class attributes, object orientation!

day11-part1.mp4

day11-part2a.mp4

Preview

day11-part2b.mp4

day11-part2c.mp4

day11.py

test_day11.py

input.txt

Day 12 - Enums

day12.py

input.txt

Day 13 - Chinese Remainder Theorem

day13.py

input.txt

Day 14 - Bits, .zfill, itertools.product, pytest, dict comprehensions, doctest, regular expressions

AOC Day 14....mp4

Day 14 - Part 2.mp4

Day 14 part 2 cont.mp4

Day 15 - Generators, doctest, off by one, dictionaries, clojure, take

day15.py

Day 15 - Part 1.mp4

Day 15 - Part 2.mp4

Day 16 - Splitting, pudb, reduction (with mutability!), comprehensions, generators, deep copy, pytest

Day 16 - Part 1.mp4

Day 16 - Part 2-a.mp4

Day 16 - Part 2-b.mp4

Day 16 - Part 2-c.mp4

day16.py

input.txt

test_day16.py