NLTK stands for Natural Language ToolKit and is a collection of Python modules that allow you to easily manage natural language processing tasks.
If you use Mac OSX the installation of required modules could be very challenging because of the version of your operating system, your compilers and your Python version. We can use directly EPD: a huge collection of Python modules which are installable via GUI. It is free for students or employees from degree-granting institutions. Although it is suggested in particular for Mac OS X users, it is available for all platforms.
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