接着上一篇文章 机器学习之nltk download出错：Error connecting to server: [Errno -2] ，下面说一下 nltk测试包的安装及要注意的事项

>>> import nltk

>>> nltk.download()

NLTK Downloader

---------------------------------------------------------------------------

d) Download      l) List      c) Config      h) Help      q) Quit

---------------------------------------------------------------------------

Downloader> d

Download which package (l=list; x=cancel)?

Identifier>

---------------------------------------------------------------------------

d) Download      l) List      c) Config      h) Help      q) Quit

---------------------------------------------------------------------------

这里要注意：这一步的时候要选择l(list)

Downloader> l

Packages:

[ ] brown_tei........... Brown Corpus (TEI XML Version)

[ ] punkt............... Punkt Tokenizer Models

[ ] maxent_treebank_pos_tagger Treebank Part of Speech Tagger (Maximum entropy)

[ ] machado............. Machado de Assis -- Obra Completa

[ ] movie_reviews....... Sentiment Polarity Dataset Version 2.0

[ ] names............... Names Corpus, Version 1.3 (1994-03-29)

[ ] nombank.1.0......... NomBank Corpus 1.0

[ ] nps_chat............ NPS Chat

[ ] paradigms........... Paradigm Corpus

[ ] pe08................ Cross-Framework and Cross-Domain Parser

Evaluation Shared Task

[ ] pil................. The Patient Information Leaflet (PIL) Corpus

[ ] pl196x.............. Polish language of the XX century sixties

[ ] ppattach............ Prepositional Phrase Attachment Corpus

[ ] problem_reports..... Problem Report Corpus

[ ] propbank............ Proposition Bank Corpus 1.0

[ ] qc.................. Experimental Data for Question Classification

[ ] reuters............. The Reuters-21578 benchmark corpus, ApteMod

version

[ ] rte................. PASCAL RTE Challenges 1, 2, and 3

Hit Enter to continue:

《python 文本转语音机器学习之nltk download安装测试包》总结了关于学习编程教程，对于我们来002pc.com确实能学到不少知识。

查看所有的包，并找到你需要的包，然后不能按照提示收入点击，而是应该这样做：

>>> nltk.download('brown_tei')

注意：该方法可能会出现：的错误，这时可使用下面的方法解决

或者使用：

python -m nltk.downloader spanish_grammars

更多:python 文本转语音机器学习之nltk download安装测试包

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