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DOT
===
The `DOT graph description language <https://graphviz.org/doc/info/lang.html>`__
defines a file format that is most often used in the context of graph
visualization with `Graphviz <https://graphviz.org>`__.
NetworkX provides an interface to Graphviz via :doc:`pygraphviz <pygraphviz:index>`,
implemented in `~networkx.drawing.nx_agraph`.
If ``pygraphviz`` is installed, `~networkx.drawing.nx_agraph` can be used to
read and write files in DOT format.
pygraphviz
----------
.. currentmodule:: networkx.drawing.nx_agraph
.. autosummary::
read_dot
write_dot
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