In this short series, we are going to be writing a simple interpreter in Python that can understand and process basic math calculations.

This is useful to learn how to write a program that can understand a human-readable format, and this knowledge can be expanded to creating your own data language, programming language, etc.

You can obtain the source code from: https://github.com/davidcallanan/py-simple-math-interpreter

In the first 3 episodes of this series we will write the lexer, the parser and the interpreter. Those are the fundamental steps to writing any interpreter.

In the final episode (optional), we will add unit testing to our language, so that we can guarantee everything is still working if we make changes in the future.

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Special thanks to my top Patreon supporter: Helge Sverre Hessevik Liseth