import asyncio
import datetime

async def foo():
  now = datetime.now()
  ten_mins_from_now=now + datetime.timedelta(minutes=10)
  while datetime.now()< ten_mins_from_now:  # must be changed into a coroutine?
    sleep(30)
  return 'foo has returned'

async def print_job():
  print('can i print before foo() returns?')

async def main():
  await foo():
  await print_job()

asyncio.run(main())