python自然语言处理-学习笔记（一）之nltk入门

nltk学习第一章

一，入门

1，nltk包的导入和报的下载

import nltk

nltk.download() （eg: nltk.download(‘punkt’),也可以指定下载那个包）

2，book图书集，是一些数据，

from nltk.book import *
*** Introductory Examples for the NLTK Book ***
Loading text1, …, text9 and sent1, …, sent9
Type the name of the text or sentence to view it.
Type: ‘texts()’ or ‘sents()’ to list the materials.
text1: Moby Dick by Herman Melville 1851
text2: Sense and Sensibility by Jane Austen 1811
text3: The Book of Genesis
text4: Inaugural Address Corpus
text5: Chat Corpus
text6: Monty Python and the Holy Grail
text7: Wall Street Journal
text8: Personals Corpus
text9: The Man Who Was Thursday by G . K . Chesterton 1908

text1
<Text: Moby Dick by Herman Melville 1851>