Sadik Bessou2023-05-022023-05-022010http://dspace.univ-msila.dz:8080//xmlui/handle/123456789/36171Abstract In this paper, we present a useful toolkit: NLTK (Natural Language ToolKit), a suite of libraries and programs in python language for symbolic and statistical natural language processing. We explain the main functionalities such tokenization, stemming, tagging, parsing, and semantic reasoning applied on Arabic texts. These functionalities are very useful for Natural language processing developers and even for linguists