使用nltk时，Resource punkt not found的时候解决方法_resource punkt not found. please use the nltk down

1.Resource punkt not found.

Please use the NLTK Downloader to obtain the resource:

解决办法：

import nltk
nltk.download('punkt')

2.Resource stopwords not found.

Please use the NLTK Downloader to obtain the resource:

解决办法：

import nltk
nltk.download('stopwords')

3.Resource wordnet not found.
  Please use the NLTK Downloader to obtain the resource:

解决办法：

import nltk
nltk.download('wordnet')

4.Resource averaged_perceptron_tagger not found.
Please use the NLTK Downloader to obtain the resource:

解决办法：

import nltk
nltk.download('averaged_perceptron_tagger')