Guido Van Rossum

The Python/C Api

The Python Language Reference

Python 2.7.10 Extending And Embedding Python

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Python 2.7.10 Tutorial: An Introduction To Python

Python 2.7.10 C Api

Python Tutorial

The Python Library Reference

The Python Library Reference

Extending And Embedding Python

Python 3.6 Extending And Embedding Python

Python Library Reference

Python 3.6 Tutorial