.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/builtin_modules/_itertools.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        Click :ref:`here <sphx_glr_download_auto_examples_builtin_modules__itertools.py>`
        to download the full example code or to run this example in your browser via Binder

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_auto_examples_builtin_modules__itertools.py:


====================
2.12 itertools
====================

.. important::
  This lesson is still under development.

.. GENERATED FROM PYTHON SOURCE LINES 10-14

.. code-block:: default


    import itertools









.. GENERATED FROM PYTHON SOURCE LINES 15-17

combinations
-------------

.. GENERATED FROM PYTHON SOURCE LINES 17-19

.. code-block:: default

    x = [1,2,3]








.. GENERATED FROM PYTHON SOURCE LINES 20-22

.. code-block:: default

    print([x for x in itertools.combinations(x, 2)])





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    [(1, 2), (1, 3), (2, 3)]




.. GENERATED FROM PYTHON SOURCE LINES 23-26

.. code-block:: default


    print([x for x in itertools.combinations(x, 3)])





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    [(1, 2, 3)]




.. GENERATED FROM PYTHON SOURCE LINES 27-30

.. code-block:: default


    print([x for x in itertools.combinations(x, 10)])





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    []




.. GENERATED FROM PYTHON SOURCE LINES 31-33

product
--------

.. GENERATED FROM PYTHON SOURCE LINES 33-37

.. code-block:: default


    for prod in (itertools.product([1, 2], [11, 12])):
        print(prod)





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    (1, 11)
    (1, 12)
    (2, 11)
    (2, 12)




.. GENERATED FROM PYTHON SOURCE LINES 38-42

.. code-block:: default


    for prod in (itertools.product([1,2,3], [11, 12, 13])):
        print(prod)





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    (1, 11)
    (1, 12)
    (1, 13)
    (2, 11)
    (2, 12)
    (2, 13)
    (3, 11)
    (3, 12)
    (3, 13)




.. GENERATED FROM PYTHON SOURCE LINES 43-46

.. code-block:: default

    for prod in (itertools.product([1, 2], [11, 12], [21, 23])):
        print(prod)





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    (1, 11, 21)
    (1, 11, 23)
    (1, 12, 21)
    (1, 12, 23)
    (2, 11, 21)
    (2, 11, 23)
    (2, 12, 21)
    (2, 12, 23)




.. GENERATED FROM PYTHON SOURCE LINES 47-49

permutations
-------------

.. GENERATED FROM PYTHON SOURCE LINES 49-51

.. code-block:: default

    print([x for x in itertools.permutations([1,2,3])])





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    [(1, 2, 3), (1, 3, 2), (2, 1, 3), (2, 3, 1), (3, 1, 2), (3, 2, 1)]




.. GENERATED FROM PYTHON SOURCE LINES 52-55

.. code-block:: default


    print([x for x in itertools.permutations([1,2,3], 2)])





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    [(1, 2), (1, 3), (2, 1), (2, 3), (3, 1), (3, 2)]




.. GENERATED FROM PYTHON SOURCE LINES 56-59

repeat
-------
Repeats a value n times

.. GENERATED FROM PYTHON SOURCE LINES 59-66

.. code-block:: default


    value = 10
    n = 4

    rep = itertools.repeat(value, n)
    print(rep)





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    repeat(10, 4)




.. GENERATED FROM PYTHON SOURCE LINES 67-69

.. code-block:: default

    print(type(rep))





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    <class 'itertools.repeat'>




.. GENERATED FROM PYTHON SOURCE LINES 70-73

.. code-block:: default

    for val in rep:
        print(val)





.. rst-class:: sphx-glr-script-out

 .. code-block:: none

    10
    10
    10
    10





.. rst-class:: sphx-glr-timing

   **Total running time of the script:** ( 0 minutes  0.005 seconds)


.. _sphx_glr_download_auto_examples_builtin_modules__itertools.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example


    .. container:: binder-badge

      .. image:: images/binder_badge_logo.svg
        :target: https://mybinder.org/v2/gh/AtrCheema/python-seekho/master?urlpath=lab/tree/notebooks/auto_examples/builtin_modules/_itertools.ipynb
        :alt: Launch binder
        :width: 150 px

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: _itertools.py <_itertools.py>`

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: _itertools.ipynb <_itertools.ipynb>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_