How Well Do You Understand Python's Asyncio Concepts?

Gensen Huang
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Gensen Huang

Created 6/26/2024

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https://realpython.com/async-io-python/
Test your knowledge on Python's asyncio concepts and see how many correct answers you can get out of 15!

Test your knowledge on Python's asyncio concepts and see how many correct answers you can get out of 15!

1. What was the primary feature introduced in Python 3.4 related to asynchronous programming?

asyncio package
async and await keywords
Asynchronous generators
Asynchronous comprehensions

2. When did Python establish async and await as part of the language grammar?

Python 3.3
Python 3.4
Python 3.5
Python 3.6

3. Which of the following is NOT a feature of Python's asyncio?

Concurrent code execution
Parallel execution using multiple processors
Single-threaded design
Cooperative multitasking

4. What does the 'await' keyword do in Python asyncio?

Creates a new thread for the coroutine
Marks a function as a coroutine
Suspends execution until the awaited coroutine completes
Compiles the coroutine for faster execution

5. Which function is used to run the main entry point of asyncio programs in Python 3.7 and above?

asyncio.create_task()
asyncio.run()
asyncio.gather()
asyncio.run_until_complete()

6. What type of object is returned when you call a coroutine without awaiting or scheduling it?

Thread object
Future object
Coroutine object
Task object

7. Which Python version introduced asynchronous generators?

Python 3.4
Python 3.5
Python 3.6
Python 3.7

8. What purpose does the asyncio.Queue serve in an asyncio program?

Enables parallel processing
Monitors coroutine memory usage
Facilitates thread communication
Provides a way to pass data between producer and consumer coroutines

9. What library is NOT built to work with asyncio?

aiohttp
aioredis
urllib2
aiomysql

10. Which function is used to schedule the execution of a coroutine object in asyncio?

asyncio.run()
asyncio.create_task()
asyncio.gather()
asyncio.add_job()

11. In which version did async and await become reserved keywords in Python?

Python 3.5
Python 3.6
Python 3.7
Python 3.8

12. Which statement about asyncio's event loop is true?

It runs concurrently on multiple threads
It can only be used for I/O-bound tasks
It manages the scheduling and execution of coroutines
It multiprocesses tasks to utilize multiple cores

13. Which of the following correctly describes generator-based coroutines introduced in Python 3.4?

They use the yield from expression for delegation
They are marked with the async keyword
They are compiled for faster execution
They require asyncio.run() to execute

14. Which method should be used to integrate asyncio with the multiprocessing module?

aiomultiprocessing
aioprocessing
asyncmultiprocessing
asyncio.multiprocessing

15. What feature was added to asyncio in Python 3.7?

async and await
asyncio.run()
Asynchronous comprehensions
Asynchronous generators

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