What is exact interpreter of the Snakefile?

[darkcircle]

I tried to test this source tree, but there is so many incomplete things,
Shebang is missing and/or many code does not follow the syntax of specific programming language.

There seems to be no way to run code. How could I handle Snakefile?
many explanation is not being on manual.

Thank you in advance.

[HelenaLC]

The workflow is written and executes using Snakemake, which is a Python-based workflow management system. Once installed, the Snakefile can be executed from the command via snakemake -j n where n = number of cores to used (provided you are in the directory where the Snakefile sits.