{"id":732,"date":"2022-02-01T14:44:00","date_gmt":"2022-02-01T09:14:00","guid":{"rendered":"https:\/\/geekpython.in\/?p=732"},"modified":"2023-08-15T17:20:48","modified_gmt":"2023-08-15T11:50:48","slug":"asyncio-how-to-use-asyncawait-in-python","status":"publish","type":"post","link":"https:\/\/geekpython.in\/asyncio-how-to-use-asyncawait-in-python","title":{"rendered":"asyncio – How to use Async\/Await in Python."},"content":{"rendered":"\n

In this article, we will discuss how we can use async\/await in Python.<\/strong><\/p>\n\n\n\n

If you’re familiar with JavaScript, you’ll notice that we use async<\/code>, which causes a function to return a promise, and await<\/code>, which causes a function to wait for a promise.<\/p>\n\n\n\n

When we need to fetch some data from the servers, we use async<\/code> and await<\/code> to delay the function’s execution until the promise is resolved, and in the meantime, the other functions are executed without blocking the other tasks.<\/p>\n\n\n\n

This happens because the code is executed asynchronously<\/strong>.<\/p>\n\n\n\n

Well, this is not the JavaScript tutorial so we don’t dive deep into the working of asynchronous<\/code> operations in JavaScript.<\/p>\n\n\n\n

But we’ll learn the meaning of Asynchronous<\/strong> ahead in this article.<\/p>\n\n\n\n

<\/a>Introduction<\/h1>\n\n\n\n

Just above we encountered the term Asynchronous<\/strong>. What does it mean?<\/p>\n\n\n\n

For simple understanding, it just means that not occurring at the same time<\/strong>. It is theoretical meaning. We gonna learn the Practical definition of asynchronous<\/strong> ahead of this article with an example that lets you understand it easily.<\/p>\n\n\n\n

\"Visual<\/figure>\n\n\n\n

<\/a>asyncio\u00a0– Asynchronous IO <\/h1>\n\n\n\n

We cannot use async<\/code>\/await<\/code> syntax directly in the function to make it asynchronous rather we can use a Python package asyncio<\/code> to achieve the goal.<\/p>\n\n\n\n

Before diving into the asyncio<\/strong> module let’s understand Asynchronous IO<\/strong> first.<\/p>\n\n\n\n

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Note: I refer to asynchronous IO as async IO and<\/strong> asyncio<\/code> is a Python package.<\/p>\n<\/blockquote>\n\n\n\n

<\/a>Asynchronous IO <\/h1>\n\n\n\n

async IO is designed to work on concurrent programming that has received support in Python, from Python 3.4 through Python 3.7 and beyond this.<\/p>\n\n\n\n

Let’s understand it with the help of an example:<\/p>\n\n\n\n

We will understand it by the example of a chess master Judit Polg\u00e1r.<\/strong><\/p>\n\n\n\n

Judit Polg\u00e1r, a chess master hosts a chess exhibition in which some amateur players took part and she plays with them. She has two ways of conducting the exhibition: synchronously<\/strong> and asynchronously<\/strong>.<\/p>\n\n\n\n

Here are the assumptions:<\/p>\n\n\n\n