Coroutines: The Building Blocks
A coroutine is a special function that can pause and resume its execution. It's defined with async def:
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LearnStep 1 of 4
What is a Coroutine?
Learning Objectives
- •Define coroutines with async def
- •Use await to call coroutines
- •Understand coroutine objects
Lesson Outline
LearnStep 1/4
What is a Coroutine?
python
The Key Difference
Calling a coroutine function doesn't execute it - it returns a coroutine object:
python
Important: Calling
greet() returns a coroutine object. You must use await or asyncio.run() to actually execute it.