For reference, here is the live copy of longobject.c: https://github.com/python/cpython/blob/master/Objects/longobject.c https://github.com/python/cpython/blob/

For reference, here is the live copy of longobject.c: https://github.com/python/cpython/blob/master/Objects/longobject.c https://github.com/python/cpython/blob/master/Objects/longob... Python 2 had distinct `int` and `long` types, but Python 3 merged them together into just `int`. I wasn't sure if the internal C implementation code still used `long`/`Long` for naming, but this blog post and official source code shows that the naming still exists.