[Solved] Given this FastAPI async function using Motor, what will be the output if the user is found?async def get_user(db, user_id): user = await db.users.find_one({"_id": user_id}) return user | FastAPI

FastAPI - Database Integration

Given this FastAPI async function using Motor, what will be the output if the user is found?

async def get_user(db, user_id):
    user = await db.users.find_one({"_id": user_id})
    return user

AA list of all users

BA dictionary with user data

CAn error because find_one is synchronous

DNone always

Step-by-Step Solution

Solution:

Step 1: Understand find_one behavior
Motor's find_one returns a dictionary of the first matching document asynchronously.
Step 2: Analyze function output
If user_id matches a document, the function returns that user dictionary; otherwise, None.
Final Answer:
A dictionary with user data -> Option B
Quick Check:
find_one returns dict or None = dict if found [OK]

Quick Trick: find_one returns dict if found, else None [OK]

Common Mistakes:

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Given this FastAPI async function using Motor, what will be the output if the user is found?