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# ×°ÖÃNLTK¿â
pip install nltk

# ×°ÖÃspaCy¿â
pip install spacy

# ×°ÖÃgensim¿â
pip install gensim

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# ÏÂÔØÓ¢ÎÄÓïÑÔÄ£×Ó
python -m spacy download en

# ÏÂÔØÖÐÎÄÓïÑÔÄ£×Ó
python -m spacy download zh

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import nltk
from nltk.tokenize import word_tokenize
import spacy

# NLTK¿âµÄʹÓÃ
text = "This is an example sentence."
tokens = word_tokenize(text)
print(tokens)

# spaCy¿âµÄʹÓÃ
nlp = spacy.load('en_core_web_sm')
doc = nlp(u'This is an example sentence.')
for entity in doc.ents:
    print(entity.text, entity.label_)

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