Book Image

Dancing with Python

By : Robert S. Sutor
Book Image

Dancing with Python

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)
Part I: Getting to Know Python
PART II: Algorithms and Circuits
PART III: Advanced Features and Libraries
Other Books You May Enjoy
Appendix C: The Complete UniPoly Class
Appendix D: The Complete Guitar Class Hierarchy
Appendix F: Production Notes

2.3 Lists

If we could only write down numbers and strings, Python would not be a practical programming environment. Of course, we want to do things to numbers such as add them, multiply them, and use them to count things. For strings, we’d like to search and construct text we display to our users.

More than that, we need ways to hold collections of data together. If I had three children, I could hold their ages together as a list:

[12, 16, 19]
[12, 16, 19]

and use another list for their names:

["Robin", "Robert", "Roberta"]
['Robin', 'Robert', 'Roberta']

I could put the names and ages in the same list:

["Robin", 12, "Robert", 16, "Roberta", 19]
['Robin', 12, 'Robert', 16, 'Roberta', 19]

Square brackets “[” and “]” delimit the items...