Flask web server on Raspberry Pi - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the Flask class from the flask module.

Raspberry Pi

from flask import [1]

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

AWeb

BServer

CApp

DFlask

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect class names like Server or App instead of Flask.

The Flask class is imported from the flask module to create a web server.

2fill in blank

medium

Complete the code to create a Flask app instance named 'app'.

Raspberry Pi

app = [1](__name__)

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

AServer

BFlask

CWeb

DApp

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect class names or missing parentheses.

Creating the Flask app instance requires calling Flask with __name__ as argument.

3fill in blank

hard

Fix the error in the route decorator to define the home page route.

Raspberry Pi

@app.route('[1]')
def home():
    return 'Hello, Raspberry Pi!'

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

A/

B/home

Chome

Dindex

Attempts:

3 left

💡 Hint

Common Mistakes

Using route names without a leading slash or incorrect paths.

The home page route should be '/' to respond to the root URL.

4fill in blank

hard

Fill both blanks to run the Flask app on all network interfaces with debug mode on.

Raspberry Pi

if __name__ == '__main__':
    app.run(host=[1], debug=[2])

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

A'0.0.0.0'

BTrue

CFalse

D'localhost'

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'localhost' limits access to the Pi only.

Setting debug to False disables helpful error messages.

Using host='0.0.0.0' makes the server accessible on the local network. Setting debug=True enables debug mode.

5fill in blank

hard

Fill all three blanks to create a route '/status' that returns JSON with a message and status code 200.

Raspberry Pi

@app.route([1])
def status():
    return [2], [3]

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

A'/status'

B{'message': 'Server is running'}

C200

D'/status/'

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect route paths or returning strings instead of dictionaries.

The route '/status' returns a dictionary message and HTTP status code 200.