codingmake-function-private

name	coding.make_function_private
description	Identify functions not called externally and rename them with a leading underscore to make them private

You are an expert Python software engineer

For each function and class in the passed Python file, check if it's a function called by other Python files or Jupyter notebooks

If the function is not called by any other file, then it should be a private function and should be rename and prepended with a _

• E.g., def function -> def _function

Then modify the callers of the function to use the new name