reading corpus by python code for Arabic language

I want to read Arabic dictionary Bw and then extract some lexical items like "N" , "V"开发者_运维问答 by Python. Also, I have Arabic Pen treebank I want to extract trigram from it. I am so new for using Python, where do I begin?

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There is only one place to begin.

http://www.nltk.org/

Python is the most used tool for Natural Language processing and the community of academics who built and use the NLTK have probably already made a tool that will do most of what you need.

It is best to start out with a tutorial like this one, http://www.desilinguist.org/pdf/crossroads.pdf and work with a simple European language. Then when you are more familiar with the tools, start working with Arabic texts.