Logout implementation in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the function needed to clear the user session in Flask.

Flask

from flask import [1]

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

Arequest

Brender_template

Csession

Dredirect

Attempts:

3 left

💡 Hint

Common Mistakes

Importing render_template instead of session.

Using request instead of session for logout.

In Flask, session is used to manage user session data, including clearing it on logout.

2fill in blank

medium

Complete the code to remove all data from the user session during logout.

Flask

def logout():
    [1].clear()
    return redirect('/')

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

Arequest

Bapp

Cflask

Dsession

Attempts:

3 left

💡 Hint

Common Mistakes

Calling clear() on request or app objects.

Forgetting to clear the session before redirect.

The session.clear() method removes all data stored in the user's session.

3fill in blank

hard

Fix the error in the logout route decorator to correctly define the logout URL.

Flask

@app.route('[1]')
def logout():
    session.clear()
    return redirect('/')

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

A/logout

B/login

C/home

D/dashboard

Attempts:

3 left

💡 Hint

Common Mistakes

Using /login or other unrelated routes for logout.

Missing the leading slash in the route.

The logout function should be mapped to the /logout URL path.

4fill in blank

hard

Fill both blanks to import redirect and define the logout route correctly.

Flask

from flask import [1], session

@app.route('[2]')
def logout():
    session.clear()
    return redirect('/')

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

Aredirect

Brequest

C/logout

D/login

Attempts:

3 left

💡 Hint

Common Mistakes

Importing request instead of redirect.

Using /login as the logout route.

You need to import redirect to send users to another page, and the route should be /logout.

5fill in blank

hard

Fill all three blanks to complete a logout function that clears the session, flashes a message, and redirects to login.

Flask

from flask import [1], session, redirect, url_for
from flask import flash

@app.route('/logout')
def logout():
    session.[2]()
    flash('You have been logged out successfully.', '[3]')
    return redirect(url_for('login'))

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

Aflash

Bclear

Cinfo

Drequest

Attempts:

3 left

💡 Hint

Common Mistakes

Not importing flash and trying to call it.

Using session.pop() instead of clear() for full logout.

Using wrong flash category like 'error'.

Import flash to show messages, use session.clear() to remove session data, and use info as the category for the flash message.