Parse a .py file, read the AST, modify it, then write back the modified source code

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Music by Eric Matyas
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Track title: Hypnotic Puzzle3

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Chapters
00:00 Question
00:59 Accepted answer (Score 84)
02:07 Answer 2 (Score 62)
02:59 Answer 3 (Score 41)
03:24 Answer 4 (Score 20)
03:49 Thank you

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Full question
https://stackoverflow.com/questions/7686...

Question links:
[AST]: http://en.wikipedia.org/wiki/Abstract_sy...
[ast]: http://docs.python.org/library/ast.html
[compiler]: http://docs.python.org/library/compiler....
[Mutation testing library]: http://en.wikipedia.org/wiki/Mutation_te...

Accepted answer links:
[Pythoscope]: https://github.com/mkwiatkowski/pythosco...
[2to3]: http://docs.python.org/library/2to3.html
[lib2to3]: http://svn.python.org/projects/python/tr.../
[rope project]: https://github.com/python-rope/rope
[ast]: http://docs.python.org/library/ast.html
[there's an older example of how to "unparse" syntax trees back into code]: https://svn.python.org/projects/python/t...
[redbaron]: https://redbaron.readthedocs.org/en/late.../

Answer 2 links:
[codegen]: https://pypi.python.org/pypi/codegen/1.0

Answer 3 links:
https://docs.python.org/3.9/whatsnew/3.9...
https://docs.python.org/3.9/library/ast....

Answer 4 links:
[astunparse]: https://github.com/simonpercivall/astunp...

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Tags
#python #compilerconstruction #abstractsyntaxtree

#avk47