[Tutor] how to extract text by specifying an element using ElementTree

[ps python]

Hi, 

using ElementTree, how can I extract text of a
particular element, or a child node. 

For example:

<biological_processess>
   <biological_process>
           Signal transduction
   </biological_process>
   <biological_process>
           Energy process
    </biological_process>
</biological_processess>

I looked at some tutorials (eg. Ogbuji).  Those
examples described to extract all text of nodes and
child nodes.

In the case where I already know which element tags
have the information that I need, in such case how do
i get that specific text. 

Thanks
Mdan



		
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