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Dancing with Python

Dancing with Python

By : Robert S. Sutor
5 (7)
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Dancing with Python

Dancing with Python

5 (7)
By: Robert S. Sutor

Overview of this book

Dancing with Python helps you learn Python and quantum computing in a practical way. It will help you explore how to work with numbers, strings, collections, iterators, and files. The book goes beyond functions and classes and teaches you to use Python and Qiskit to create gates and circuits for classical and quantum computing. Learn how quantum extends traditional techniques using the Grover Search Algorithm and the code that implements it. Dive into some advanced and widely used applications of Python and revisit strings with more sophisticated tools, such as regular expressions and basic natural language processing (NLP). The final chapters introduce you to data analysis, visualizations, and supervised and unsupervised machine learning. By the end of the book, you will be proficient in programming the latest and most powerful quantum computers, the Pythonic way.
Table of Contents (29 chapters)
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2
Part I: Getting to Know Python
10
PART II: Algorithms and Circuits
14
PART III: Advanced Features and Libraries
19
References
20
Other Books You May Enjoy
1
Appendices
4
Appendix C: The Complete UniPoly Class
5
Appendix D: The Complete Guitar Class Hierarchy
7
Appendix F: Production Notes

8.8 Saving and restoring data

We save the code we write in text file modules and later import it into other modules or our environment. How can we save data and reload it at another time? There are two straightforward options, one binary and one text.

8.8.1 Pickling

Pickling is a Python-specific way of writing some Python objects and collections to binary files. You can later read them back in and use them. The Python documentation lists the kinds of data we have covered here that can be pickled: [PYL]

  • None, True, and False,
  • integers, floating-point numbers, and complex numbers,
  • strings and byte strings, and
  • tuples, lists, sets, and dictionaries containing only “picklable” objects.

If you can pickle something, it is picklable. (Don’t blame me, I didn’t coin the term.)

Let’s reinstate our guitar dictionary from section 3.9.3.

guitars...
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Dancing with Python
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