Initial commit for AoC23

.flake8

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+# .flake8
+[flake8]
+application-import-names = advent_of_code_2023,tests
+select = ANN,B,B9,BLK,C,E,F,I,S,W
+ignore = E203,E501,W503
+per-file-ignores = tests/*:S101
+max-complexity = 10
+max-line-length = 88
+exclude = day_template

.github/workflows/readme-start.yml

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+name: Update README ⭐
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+  update-readme:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: geertlitjens/advent-readme-stars@db0643f5b6a1d21cfa2271e08794fdc3a1bdadcd
+        with:
+          userId: 553977
+          sessionCookie: ${{ secrets.AOC_SESSION }}
+      - uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Update README stars

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+.aoc_token
+.vscode

.pre-commit-config.yaml

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+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.3.0
+    hooks:
+    -   id: check-yaml
+    -   id: end-of-file-fixer
+    -   id: trailing-whitespace
+-   repo: local
+    hooks:
+    -   id: black
+        name: black
+        exclude: day_template
+        entry: poetry run black
+        language: system
+        types: [python]
+    -   id: flake8
+        name: flake8
+        exclude: day_template
+        entry: poetry run flake8
+        language: system
+        types: [python]

LICENSE

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+MIT License
+
+Copyright (c) 2022 Geert Litjens
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Geert's solutions to the Advent of Code 2023
+
+This is the fourth year that I decided to participate in the [Advent of Code](https://adventofcode.com/). I decided to try to also learn some new skills this year, learning more about modern Python and trying to automatically generate a GitHub Pages site with my solutions, which you can find [here](http://geertlitjens.nl/advent-of-code-2023/).
+
+<!--- advent_readme_stars table --->
+<!--- advent_readme_stars table --->

docs/_config.yml

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+theme: jekyll-theme-midnight
+title: "Geert's Advent of Code 2023 solutions in Python"
+description: "Trying to solve the Advent of Code puzzles and simultanousnly learn some modern Python techniques and toolchains."
+show_downloads: false

docs/assets/css/style.scss

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+---
+---
+
+@import "{{ site.theme }}";
+
+footer {
+  display: none !important;
+}
+
+.btn {
+  display: none !important;
+}

docs/index.md

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+This is the fourth year that I decided to participate in the [Advent of Code](https://adventofcode.com/). Through this
+document I try to keep track of my progress and explain my solutions. This main page is manually updated by me, but all
+the other pages are generated automatically based on the docstrings I wrote in the code. This page is intended to mostly
+explain what Advent of Code is and what tools I chose to solve the puzzles.
+
+## What is Advent of Code?
+So first of, what is the [Advent of Code](https://adventofcode.com/)? Well, as the author, [Eric Wastl](http://was.tl/)
+writes:
+
+>Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like.
+
+As such, the Advent of Code is mostly intended as a fun exercise. The idea is that every day at 6AM CET a new puzzle
+is released on the AoC website, consisting of two parts. The first part is immediately available and needs to be solved
+before you can access the second part. Completing the different parts successfully gives you maximally two starts per day
+, with a total of 50 stars. You can access puzzles from other days if you cannot solve the previous day. There are no
+hints, except Googling for others' solutions.
+
+## Solutions
+Here you can find my solutions (on [GitHub](https://github.com/GeertLitjens/advent-of-code-2023) as well) for the different days:
+
+* [Day 1](./days/day1.md)

mypy.ini

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+[mypy]
+exclude = day_template
+
+[mypy-nox.*,pytest,requests,nox_poetry,colorama,click,numpy]
+ignore_missing_imports = True

noxfile.py

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+import tempfile
+
+import nox
+from nox_poetry import Session, session
+
+nox.options.sessions = "lint", "mypy", "safety", "tests"
+locations = "src", "tests"
+package = "advent_of_code_2023"
+
+
+@session(python=["3.11", "3.8"])
+def tests(session: Session) -> None:
+    session.install("pytest", "coverage[toml]", "pytest-cov", ".")
+    session.run("pytest", "--cov")
+
+
+@session(python=["3.10", "3.8"])
+def lint(session: Session) -> None:
+    args = session.posargs or locations
+    session.install(
+        "flake8",
+        "flake8-annotations",
+        "flake8-bandit",
+        "flake8-black",
+        "flake8-bugbear",
+        "flake8-isort",
+    )
+    session.run("flake8", *args)
+
+
+@session(python="3.11")
+def black(session: Session) -> None:
+    args = session.posargs or locations
+    args += ("--extend-exclude", "day_template")
+    session.install("black")
+    session.run("black", *args)
+
+
+@session(python=["3.11", "3.8"])
+def mypy(session: Session) -> None:
+    args = session.posargs or locations
+    session.install("mypy")
+    session.run("mypy", *args)
+
+
+@session(python="3.8")
+def safety(session: Session) -> None:
+    with tempfile.NamedTemporaryFile() as requirements:
+        session.run(
+            "poetry",
+            "export",
+            "--dev",
+            "--format=requirements.txt",
+            "--without-hashes",
+            f"--output={requirements.name}",
+            external=True,
+        )
+        session.install("safety")
+        session.run("safety", "check", f"--file={requirements.name}", "--full-report")
+
+
+@session(python=["3.11", "3.8"])
+def typeguard(session: Session) -> None:
+    args = session.posargs or ["-m", "not e2e"]
+    session.install("pytest", "pytest-mock", "typeguard", ".")
+    session.run("pytest", f"--typeguard-packages={package}", *args)