Your best companion in learning asyncio is asyncio.sleep. It works like time.sleep making the calling code wait the given number of seconds. This is the simplest example of an IO-bound task because while sleeping

Python etc

Your best companion in learning asyncio is asyncio.sleep. It works like time.sleep making the calling code wait the given number of seconds. This is the simplest example of an IO-bound task because while sleeping, your code literally does nothing but wait. And unlike time.sleep, asyncio.sleep is async. That means, while the calling task waits for it to finish, another task can be executed.

import asyncio
import time

async def main():
    start = time.time()
    await asyncio.sleep(2)
    return int(time.time() - start)

asyncio.run(main())
# 2

You can't yet see how the code switches to another task while waiting because we have only one task. But bear with me, in the next posts we'll get to it.

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Create: 2023-04-04
Last Update: 2024-06-06 19:39:17

import asyncio
import time

async def main():
    start = time.time()
    await asyncio.sleep(2)
    return int(time.time() - start)

asyncio.run(main())
# 2

You can't yet see how the code switches to another task while waiting because we have only one task. But bear with me, in the next posts we'll get to it.

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