JSON request parsing in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the Flask module correctly.

Flask

from flask import [1]

Drag options to blanks, or click blank then click option'

Ajsonify

Brender_template

Crequest

DFlask

Attempts:

3 left

💡 Hint

Common Mistakes

Importing 'request' instead of 'Flask'

Using 'jsonify' here instead of 'Flask'

The Flask class is imported from the flask module to create the app instance.

2fill in blank

medium

Complete the code to access JSON data from a POST request.

Flask

data = [1].get_json()

Drag options to blanks, or click blank then click option'

Arequest

Bjson

CFlask

Dapp

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'json.get_json()' which is incorrect

Trying to call get_json() on 'app' or 'Flask'

The request object provides access to the incoming request data, including JSON.

3fill in blank

hard

Fix the error in the route decorator to accept POST requests.

Flask

@app.route('/submit', methods=[[1]])

Drag options to blanks, or click blank then click option'

A'POST'

B'PUT'

C'DELETE'

D'GET'

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'GET' which is default but does not accept JSON body

Using 'PUT' or 'DELETE' which are different HTTP methods

The route must specify 'POST' in the methods list to accept POST requests.

4fill in blank

hard

Fill both blanks to return a JSON response with a message and status code 200.

Flask

return [1]({'message': 'Success'}), [2]

Drag options to blanks, or click blank then click option'

Ajsonify

B201

C200

Dmake_response

Attempts:

3 left

💡 Hint

Common Mistakes

Returning a plain dict without jsonify

Using status code 201 which means created

jsonify creates a JSON response and 200 is the HTTP status code for success.

5fill in blank

hard

Fill all three blanks to parse JSON, extract 'name', and return a greeting message.

Flask

data = [1].get_json()
name = data.get([2], 'Guest')
return [3]({'greeting': f'Hello, {name}!'})

Drag options to blanks, or click blank then click option'

Arequest

B'name'

Cjsonify

Dapp

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'app' instead of 'request'

Not using jsonify to return JSON response

Use request.get_json() to get JSON data, extract the 'name' key, and use jsonify to return JSON response.