Beginning NLP Natural Language Processing— Tokenize Words and Sentences, Find Frequencies, Lemmatize, Get Synonyms

In this post we will start NLP=Natural Language Processing. Use NLTK Natural Language Toolkit to perform some preliminary processing.We will read input, tokenize sentences, words, find frequencies of words, remove common/stop words from the input, find synonyms and draw a few plots.Let us start with tokenizing some text for sentences