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README.md

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 This is a simple CLI and a library for [BioNetGen modelling language](http://bionetgen.org/). PyBioNetGen also includes a heavily updated version of [Atomizer](https://github.com/RuleWorld/atomizer) which allows for conversion of models written in [Systems Biology Markup Language (SBML)](https://synonym.caltech.edu/) into BioNetGen language (BNGL) format.