#!/usr/bin/python3
"""
Documentation
Demonstrate how to use asyncio

License: This program is released under the MIT License
"""

# Imports
import asyncio

async def doit():
    print('Start doing...')
    await asyncio.sleep(2)
    print('Done!')

# Main function
async def main() -> None:
    print('Main starts...')
    job_queue = []
    for i in range(3):
        job_queue.append(doit())
    await asyncio.gather(*job_queue)
    print('Main ends...')


# Call main function
if __name__ == '__main__':
    asyncio.run(main())