Participation in the programming puzzles Advent of Code 2023.
The test input is in dNN.in, download the real input to dNN.test. Change the path at the end of dNN.py.
To run, simply: python dayNN/dNN.py. Some later days support printing debug message, to remove the message: python -O dayNN/dNN.py
Not tested, but most code is compatible with pypy3.