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.. note::
This page uses two different syntax variants:
* Cython specific ``cdef`` syntax, which was designed to make type declarations
concise and easily readable from a C/C++ perspective.
* Pure Python syntax which allows static Cython type declarations in
:ref:`pure Python code <pep484_type_annotations>`,
following `PEP-484 <https://www.python.org/dev/peps/pep-0484/>`_ type hints
and `PEP 526 <https://www.python.org/dev/peps/pep-0526/>`_ variable annotations.
To make use of C data types in Python syntax, you need to import the special
``cython`` module in the Python module that you want to compile, e.g.
.. code-block:: python
import cython
If you use the pure Python syntax we strongly recommend you use a recent
Cython 3 release, since significant improvements have been made here
compared to the 0.29.x releases.
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