cython3 - 3.0.11+dfsg-1+b1 main

Cython is a language that makes writing C extensions for the Python language
as easy as Python itself. Cython is based on the well-known Pyrex, but
supports more cutting edge functionality and optimizations.
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The Cython language is very close to the Python language, but Cython
additionally supports calling C functions and declaring C types on variables
and class attributes. This allows the compiler to generate very efficient C
code from Cython code.
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This makes Cython the ideal language for wrapping external C libraries, and
for fast C modules that speed up the execution of Python code.
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This package installs the Python library and command-line tools.