Session lifetime in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the session lifetime to 30 minutes in Flask.

Flask

from flask import Flask
from datetime import timedelta
app = Flask(__name__)
app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(minutes=[1])

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

A60

B30

C15

D45

Attempts:

3 left

💡 Hint

Common Mistakes

Using seconds instead of minutes

Forgetting to use timedelta

Setting the wrong number of minutes

The session lifetime is set using timedelta with the number of minutes. Here, 30 minutes is the correct value.

2fill in blank

medium

Complete the code to make the session permanent in a Flask route.

Flask

from flask import session
@app.route('/')
def index():
    session.[1] = True
    return 'Session is permanent'

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

Apermanence

Bmake_permanent

Cset_permanent

Dpermanent

Attempts:

3 left

💡 Hint

Common Mistakes

Using a method instead of a property

Using incorrect property names

Not setting the property to True

To make a session permanent in Flask, set session.permanent = True inside the route.

3fill in blank

hard

Fix the error in setting the session lifetime to 1 hour in Flask.

Flask

app.config['PERMANENT_SESSION_LIFETIME'] = [1](hours=1)

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

Atime

Bdatetime

Ctimedelta

Dduration

Attempts:

3 left

💡 Hint

Common Mistakes

Using datetime instead of timedelta

Using undefined classes like time or duration

Not importing timedelta

The correct class to set session lifetime is timedelta from datetime module.

4fill in blank

hard

Fill both blanks to set a secret key and session lifetime to 15 minutes in Flask.

Flask

app = Flask(__name__)
app.config['[1]'] = 'mysecretkey'
app.config['[2]'] = timedelta(minutes=15)

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

ASECRET_KEY

BSESSION_KEY

CPERMANENT_SESSION_LIFETIME

DSESSION_LIFETIME

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong config keys like SESSION_KEY or SESSION_LIFETIME

Mixing up the order of config keys

Not setting SECRET_KEY

The secret key is set with 'SECRET_KEY' and session lifetime with 'PERMANENT_SESSION_LIFETIME'.

5fill in blank

hard

Fill all three blanks to create a Flask app, set a secret key, and make the session permanent with a 10-minute lifetime.

Flask

from flask import Flask, session
from datetime import [1]
app = Flask(__name__)
app.config['[2]'] = 'secret123'
app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(minutes=10)
@app.route('/')
def home():
    session.[3] = True
    return 'Session set to permanent'

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

Atimedelta

BSECRET_KEY

Cpermanent

Ddatetime

Attempts:

3 left

💡 Hint

Common Mistakes

Importing datetime instead of timedelta

Using wrong config key for secret

Not setting session.permanent to True

Import timedelta, set SECRET_KEY, and mark session.permanent = True to make session permanent.