Python Multiprocessing Interview Questions

Super Fast Python
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How well do you know Python multiprocessing?

The multiprocessing module provides process-based concurrency in Python and few developers know about it, let alone, how to use it well.

The main reason is because it is widely thought that Python does not fully support concurrency.

This is false.

In fact, processes provide the best path to full parallelism in Python for CPU-bound tasks.

  • Do you know how to start a new process?
  • Do you know how to use mutex locks with Python processes?
  • Do you know how to use a manager or a pool?

Discover 180+ interview questions on Python multiprocessing.

  • Study the questions and answers and improve your skill.
  • Test yourself to see what you really know, and what you don't.
  • Select questions to interview developers on a new role.

Prepare for an interview or test your Python multiprocessing skills today.

What topics are covered?

This book provides a large number of questions on what, how and when to use the Python multiprocessing API.

The questions are divided into major topics, they are:

  • Threads vs Processes
  • Blocking Calls
  • Main Process
  • Process Utilities
  • Contexts and Start Methods
  • Starting Processes
  • Running Processes
  • Daemon Processes
  • Process Names
  • Inter-process Communication
  • Shared ctypes
  • Pipes
  • Queues
  • Mutex Locks
  • Process Failure Modes
  • Condition Variables
  • Semaphores
  • Events
  • Barriers
  • Managers
  • Process Pools
  • Asynchronous Tasks
  • Dummy Module
  • Best Practices
  • Advanced

Each topic has a preamble summarizing the types of questions to expect for the topic and why they are important.

Each question is listed in a heading format, so that you can read it and think about it for self-study. This is followed by the answer.

Sometimes the answers will provide additional clarifying information and sample code.

Those questions that require a code example will provide a full code listing in the answer that may be used as a guide.

Who Is Book This For?

Let's make sure you're in the right place.

Specifically, this book is for:

  • Developers that want to learn the multiprocessing API with pointed questions.
  • Developers that want to test their knowledge of the multiprocessing API.
  • Engineering managers that want to evaluate candidates for a job that requires Python multiprocessing.

How to Read

If you are a Python developer looking to learn the multiprocessing module API, I recommend working through the book sequentially from start-to-finish. You can pick and choose topics if you need to brush up on specific areas.

If you are a Python developer looking to test your knowledge, I would recommend working through questions one at a time. All questions are listed in the table of contents, which you can use to test your knowledge. Record your answers, then compare your answers to the answers provided later in the book.

If you are an engineering manager, I recommend selecting a sample of questions from the book to ask in a technical interview. Perhaps select some general knowledge questions as well as some questions that require a code listing that could be prepared on paper, a google doc or whiteboard. The questions in the book may also be combined, remixed, or used to inspire your own questions.

What Version of Python is Used?

All code examples use Python 3.

Python 3.9+ to be exact.

Python 2.7 is not supported because it reached end of life in 2020.

What Format Is the Ebook?
(pdf and epub)

The ebook is provide in 2 formats:

  • PDF (.pdf): perfect for reading on the screen or tablet.
  • EPub (.epub): perfect for reading on a tablet with a Kindle or iBooks app.

How Many Pages Is The Book?

93 pages

The PDF has 93 US letter size pages.

Can I Print The Book?

Yes.

Although, I think it's better working through it on the screen.

  • You can search, skip, and jump around really fast.
  • You can copy-and-paste code examples.
  • You can compare code output directly.

Is There Digital Rights Management (DRM)?

No.

Do I Get Free Updates to the Code and Book?

Yes.

Each time I release an updated version, I will send you an email with a link so that you can download the latest version for free.

Happiness Guarantee

I want you to be happy, and I stand behind my materials.

If you decide that Python concurrency is not for you, or whatever reason, I'll understand.

I offer a 100% money back guarantee, no questions asked.

Get in touch at:

Can I Buy The Book Elsewhere?

Yes!

In fact, the book was the #1 new release in its category shortly after its release.

#1 new release in Parallel Computer Programming

Can I Read a Sample?

Yes.

You can read a book sample via google books "preview" or via the amazon "look inside" feature:

Generally, if you like my writing style on SuperFastPython, then you will like the books.

Any Questions?

Contact me directly, any time about this book or Python concurrency generally.

I'm here to help as best I can.

You can send an email directly to my inbox via:

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Formats
PDF and EPUB
Questions
180+
Answers
YES, every question
Pages
93
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