Python Thread

import time


def fetch_data(param):
    print(f"Do something with {param}...")
    time.sleep(param)
    print(f"Done with {param}")
    return f"Result of {param}"


def main():
    result1 = fetch_data(1)
    print("Fetch 1 fully completed")
    result2 = fetch_data(2)
    print("Fetch 2 fully completed")
    return [result1, result2]


results = main()
print(results)

Output:

Event Loop

Background I/O