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Natural Language Processing and Computational Linguistics

You're reading from   Natural Language Processing and Computational Linguistics A practical guide to text analysis with Python, Gensim, spaCy, and Keras

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788838535
Length 306 pages
Edition 1st Edition
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Author (1):
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Bhargav Srinivasa-Desikan Bhargav Srinivasa-Desikan
Author Profile Icon Bhargav Srinivasa-Desikan
Bhargav Srinivasa-Desikan
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Table of Contents (17) Chapters Close

Preface 1. What is Text Analysis? 2. Python Tips for Text Analysis FREE CHAPTER 3. spaCy's Language Models 4. Gensim – Vectorizing Text and Transformations and n-grams 5. POS-Tagging and Its Applications 6. NER-Tagging and Its Applications 7. Dependency Parsing 8. Topic Models 9. Advanced Topic Modeling 10. Clustering and Classifying Text 11. Similarity Queries and Summarization 12. Word2Vec, Doc2Vec, and Gensim 13. Deep Learning for Text 14. Keras and spaCy for Deep Learning 15. Sentiment Analysis and ChatBots 16. Other Books You May Enjoy

Text manipulation in Python

We mentioned earlier in the chapter that the way we represent text in Python is through strings. So how do we specify that an object is a string?

word = "Bonjour World!"

Now the word variable contains the text, Bonjour World!. Note how we used double quotes around the text that we intend to use - while single quotes also work; if we also wish to use a single quote in our string, we would need to use double quotes. Printing our word is straightforward, where all we need to do is use the print function. Remember to use parentheses if we are coding in Python 3!

print(word)
Bonjour World!

We don't have to use variables to be able to print string though - we can also just do:

print("Bonjour World!")
Bonjour World!

Be careful not to enclose your variable in quotations though! Consider this example:

print("word")
word

This...

You have been reading a chapter from
Natural Language Processing and Computational Linguistics
Published in: Jun 2018
Publisher: Packt
ISBN-13: 9781788838535
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