tests/simult.py


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import asyncio
import time


async def count(x):
    i = 0
    await asyncio.sleep(2)
    while i < 100000:
        z = x * x
        z = z * z
        z = z * z
        i += 1
    return z


async def main():
    await asyncio.gather(count(1), count(2), count(3))
    print("done")

asyncio.run(main())