[Solved] What is the issue with this Flask route for returning task status? @app.route('/check_status/<task_id>') def check_status(): statuses = {'a': 'done'} return statuses.get(task_id, 'pending') | Flask

Flask - Background Tasks

What is the issue with this Flask route for returning task status?

@app.route('/check_status/<task_id>')
def check_status():
    statuses = {'a': 'done'}
    return statuses.get(task_id, 'pending')

AThe return statement should use <code>jsonify</code>

BThe route decorator syntax is incorrect

CThe dictionary <code>statuses</code> is empty

DThe function lacks the <code>task_id</code> parameter

Step-by-Step Solution

Solution:

Step 1: Check function parameters
The route URL expects a task_id parameter, but the function does not accept it.
Step 2: Understand impact
Without task_id parameter, the function will raise a TypeError when called.
Final Answer:
The function lacks the task_id parameter -> Option D
Quick Check:
Route params must match function args [OK]

Quick Trick: Route parameters must match function arguments [OK]

Common Mistakes:

MISTAKES

Master "Background Tasks" in Flask

9 interactive learning modes - each teaches the same concept differently

More Flask Quizzes

What is the issue with this Flask route for returning task status?