- author: Ben Gamble
    author_link: https://uk.linkedin.com/in/bengamble7
    link: https://ably.com/blog/realtime-ticket-booking-solution-kafka-fastapi-ably
    title: Building a realtime ticket booking solution with Kafka, FastAPI, and Ably
  - author: Shahriyar(Shako) Rzayev
    author_link: https://www.linkedin.com/in/shahriyar-rzayev/

But at the same time, functions defined with `async def` have to be "awaited". So, functions with `async def` can only be called inside of functions defined with `async def` too.

So, about the egg and the chicken, how do you call the first `async` function?