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This repo holds variations of the lis.py interpreter for a subset of Scheme created by Peter Norvig of Stanford University, described in his post (How to Write a (Lisp) Interpreter (in Python)).

lis.py was published in the repo norvig/pytudes on Github. The copyright owner is Peter Norvig. The code is licensed under the MIT license.

Unless otherwise noted, I wrote the changes to Norvig's code. For details, see the README files in the directories.

Luciano Ramalho
Dublin, July 12, 2022