Session data storage in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the session object from Flask.

Flask

from flask import Flask, [1]

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

Asession

Brender_template

Crequest

Dredirect

Attempts:

3 left

💡 Hint

Common Mistakes

Importing request instead of session.

Forgetting to import session.

The session object is imported from Flask to store user session data.

2fill in blank

medium

Complete the code to set a secret key needed for session management.

Flask

app = Flask(__name__)
app.secret_key = [1]

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

A'mysecretkey'

B12345

CNone

DTrue

Attempts:

3 left

💡 Hint

Common Mistakes

Using a number instead of a string for the secret key.

Setting the secret key to None or True.

The secret key must be a string used to encrypt session data.

3fill in blank

hard

Fix the error in the code to store a username in the session.

Flask

from flask import Flask, session
app = Flask(__name__)
app.secret_key = 'key'

@app.route('/login')
def login():
    session[1]['username'] = 'Alice'
    return 'Logged in'

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

A.add

B[

C.set

D.update

Attempts:

3 left

💡 Hint

Common Mistakes

Using dot notation like session.set which is invalid.

Trying to use session.add which does not exist.

Session acts like a dictionary, so use square brackets to set a key.

4fill in blank

hard

Fill both blanks to check if 'username' is in session and retrieve it safely.

Flask

from flask import session

if [1] in session:
    user = session.[2]('username')
else:
    user = 'Guest'

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

A'username'

Bget

Cpop

Dusername

Attempts:

3 left

💡 Hint

Common Mistakes

Checking for variable username instead of string 'username'.

Using pop which removes the key instead of just getting it.

Check if the string key 'username' is in session, then use get to retrieve it safely.

5fill in blank

hard

Fill all three blanks to clear the session and redirect to home page.

Flask

from flask import session, redirect, url_for

@app.route('/logout')
def logout():
    session.[1]()
    return [2]( [3]('home') )

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

Aclear

Bredirect

Curl_for

Dpop

Attempts:

3 left

💡 Hint

Common Mistakes

Using pop without a key to clear session.

Forgetting to use redirect or url_for.

Use clear() to empty session, then redirect to the URL generated by url_for.