Flask - WebSocket and Real-Time
What happens if a Flask polling endpoint returns a Python dictionary directly without using jsonify?
```python
@app.route('/poll')
def poll():
return {'message': 'hello'}
```
What happens if a Flask polling endpoint returns a Python dictionary directly without using jsonify? ```python @app.route('/poll') def poll(): return {'message': 'hello'} ```
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Flask 2.x automatic JSON conversion
Modern Flask versions automatically convert dict return values to JSON responses.Step 2: Confirm behavior for direct dict returns
Returning a dict is equivalent to returning jsonify(dict) in Flask 2.x and later.Final Answer:
Flask automatically converts it to JSON response -> Option CQuick Check:
Flask auto-converts dict to JSON [OK]
Quick Trick: Flask 2.x+ auto-converts dict returns to JSON [OK]
Common Mistakes:
MISTAKES- Expecting TypeError for dict return
- Thinking plain text is returned
- Assuming server error without jsonify
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