pyFunction
==========
The function pyFunction creates a new object of type
pyFunction based on a given key.    

The function pyFunction makes it easy to create interfaces
to Python functions.    


Usage
-----
.. code-block:: R

    pyFunction(key)

Arguments
---------
.. raw:: html

    <table style="width:100%">
      <tr>
        <td style="background-color:#FFFFE0;"><b>key</b> &nbsp;</td>
        <td style="background-color:#E0E6F8;">a string specifying the name of a Python method/function.</td>
      </tr>
    </table>

Examples
--------
.. code-block:: R

    if ( pyIsConnected() ){
    pySum <- pyFunction("sum")
    pySum(1:3)
    }