ex03.py

import asyncio
from time import time

fake_users = [
    {
        "id": 1,
        "name": "April Murphy",
        "company": "Bailey Inc",
        "email": "shawnlittle@example.org",
    },
    {
        "id": 2,
        "name": "Emily Alexander",
        "company": "Martinez-Smith",
        "email": "turnerandrew@example.org",
    },
    {
        "id": 3,
        "name": "Patrick Jones",
        "company": "Young, Pruitt and Miller",
        "email": "alancoleman@example.net",
    },
]


async def get_user_async(uid: int) -> dict:
    await asyncio.sleep(0.5)
    (user,) = list(filter(lambda user: user["id"] == uid, fake_users))
    return user


async def main():
    r = []
    for i in range(1, 4):
        r.append(get_user_async(i))
    return await asyncio.gather(*r)


if __name__ == "__main__":
    start = time()
    result = asyncio.run(main())
    for r in result:
        print(r)
    print(time() - start)