[Solved] What is wrong with this FastAPI code that tries to save data? from fastapi import FastAPI app = FastAPI() @app.post('/users/') def create_user(user: dict): user['id'] = 1 return user | FastAPI

FastAPI - Database Integration

What is wrong with this FastAPI code that tries to save data?

from fastapi import FastAPI

app = FastAPI()

@app.post('/users/')
def create_user(user: dict):
    user['id'] = 1
    return user

AIt uses the wrong HTTP method

BIt does not save data to a database, so data is lost on restart

CIt has a syntax error in the function

DIt commits data twice

Step-by-Step Solution

Solution:

Step 1: Check if data is saved to a database
The code only modifies and returns a dictionary; it does not save to any database.
Step 2: Understand consequence of no database saving
Without saving to a database, data is lost when the app stops or restarts.
Final Answer:
It does not save data to a database, so data is lost on restart -> Option B
Quick Check:
No database save means no persistence [OK]

Quick Trick: Data must be saved to database for persistence [OK]

Common Mistakes:

MISTAKES

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What is wrong with this FastAPI code that tries to save data?