One of the many benefits of using and working with Python is its ability to
introspect itself. This empowers us to write and use tools to analyze the
projects we use and write. Tools written in Python can use the built-in
module to parse and analyze other Python code into an “_A_bstract _S_yntax
_T_ree”. Perhaps you’ve heard of Flake8, PyFlakes, PyLint, Radon, or another
tool that provides style checking, lint discovery, or complexity computation?
They all use the AST to provide that functionality. There’s also a tool called
Bandit that uses the AST to provide static security analysis of Python