After save the file, if you are using Docker, run:
docker run --rm --volume $(pwd):/home/shared/ --workdir /home/shared/ waldeyr/mod_v0.8.0:v1.0 /home/mod-v0.8.0/bin/mod -f /home/shared/molecules.py -f /home/shared/simulation.py -f /home/shared/printer.py
If you are using a standalone MedØlDatschgerl version 0.8.0, run:
PATH_TO_MOD/mod -f molecules.py -f simulation.py -f printer.py