A simple Python module to evaluates math expressions that can helps students on create their first Calculator program for example. Instead of using the eval() built-in function, that may cause some ...

Python script that takes input in the form of mathematical expressions, parses the input to form an Abstract Syntax Tree and evaluates the tree to return a result ...

so he decided to write an arithmetic expression parser in Python. It came out in about 100 lines of code. Interpreting math expressions is one of those things that seems simple until you get into it.

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