Why understanding request-response matters in Flask - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the Flask class.

Flask

from flask import [1]

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

Ajsonify

Brequest

Crender_template

DFlask

Attempts:

3 left

💡 Hint

Common Mistakes

Importing request instead of Flask

Importing render_template when not rendering templates

Importing jsonify when not returning JSON

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

2fill in blank

medium

Complete the code to create a Flask app instance.

Flask

app = [1](__name__)

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

Ajsonify

BFlask

Crender_template

Drequest

Attempts:

3 left

💡 Hint

Common Mistakes

Using request instead of Flask

Forgetting to pass __name__

Calling render_template instead of Flask

Creating the app instance requires calling Flask with the current module name.

3fill in blank

hard

Fix the error in the route decorator to respond to the root URL.

Flask

@app.route([1])
def home():
    return "Hello, world!"

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

A'/'

B'home'

C'index'

D'main'

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'home' or 'index' as route strings without slashes

Forgetting quotes around the route string

Using incorrect route paths

The root URL is represented by '/' in Flask route decorators.

4fill in blank

hard

Fill both blanks to access the HTTP method and return it as a string.

Flask

from flask import request

@app.route('/method', methods=['GET', 'POST'])
def method():
    return request.[1]  # returns the HTTP method used

# Example: if client sends POST, returns the [2]

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

Amethod

Cform

Dargs

Attempts:

3 left

💡 Hint

Common Mistakes

Using request.form or request.args which hold data, not method

Confusing method with other request attributes

The request.method attribute holds the HTTP method as a string like 'GET' or 'POST'.

5fill in blank

hard

Fill all three blanks to create a dictionary response with the request path and method.

Flask

from flask import request, jsonify

@app.route('/info')
def info():
    data = { [1]: request.[2], [3]: request.method }
    return jsonify(data)

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

A"path"

Bpath

C"method"

Durl

Attempts:

3 left

💡 Hint

Common Mistakes

Using unquoted keys in dictionary

Using request.url instead of request.path

Mixing up keys and values

The dictionary keys are strings like 'path' and 'method'. The request path is accessed via request.path.