Import ChaSen: >>> from chasen import * Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named chasen >>> from nltk.corpus.reader.chasen import * According to the textbook, the corpus was …

This chapter of the whale book is something like very basic of coding style of Python. I just pick up some interesting examples.There are two codes are included to get the same result. >>> tokens = nltk.corpus.brown.words(categories='news'…