Advent of Code 2021 - Solutions

My puzzle solutions are targeted for CPython versions 3.9 and up.

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To execute these solutions, you will need to install the runtime dependencies like so;

pip install -r requirements.txt

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Any of the solutions can be executed as follows:

python3 dayXX.py path/to/input.txt

or

./dayXX.py path/to/input/txt

or

cat path/to/input/txt | ./dayXX.py -

For more information about the syntax, do:

python3 dayXX.py --help