[Solved] Which of the following is the correct way to define an async route in Flask? — Ans: async def async_route(): return 'Hello' | Flask

Flask - Ecosystem and Patterns

Which of the following is the correct way to define an async route in Flask?

Aasync def async_route(): return 'Hello'

Bdef async_route(): return 'Hello'

Casync def async_route(): await return 'Hello'

Ddef async_route(): await 'Hello'

Step-by-Step Solution

Solution:

Step 1: Recall async function syntax
Async functions start with async def and can use await inside.
Step 2: Check each option
async def async_route(): return 'Hello' correctly defines an async function returning a string. def async_route(): return 'Hello' is sync. async def async_route(): await return 'Hello' misuses await with return. def async_route(): await 'Hello' uses await outside async.
Final Answer:
async def async_route(): return 'Hello' -> Option A
Quick Check:
Async function = async def [OK]

Quick Trick: Async routes start with 'async def' keyword [OK]

Common Mistakes:

MISTAKES

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Which of the following is the correct way to define an async route in Flask?