Route decorator (@app.route) in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a route for the home page using Flask.

Flask

from flask import Flask
app = Flask(__name__)

@app.[1]('/')
def home():
    return "Welcome to the home page!"

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

Astart

Brun

Curl

Droute

Attempts:

3 left

💡 Hint

Common Mistakes

Using @app.run instead of @app.route

Forgetting the parentheses after the decorator method

Using @app.url which is not a Flask decorator

The @app.route decorator tells Flask which URL should trigger the home function.

2fill in blank

medium

Complete the code to create a route that responds to '/about' URL.

Flask

@app.[1]('/about')
def about():
    return "About us page"

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

Aroute

Bstart

Crun

Durl

Attempts:

3 left

💡 Hint

Common Mistakes

Using @app.run instead of @app.route

Missing the URL string inside the parentheses

Using @app.start which is not a Flask decorator

The @app.route decorator is used to bind the URL '/about' to the about function.

3fill in blank

hard

Fix the error in the route decorator to make the '/contact' page work.

Flask

@app.route[1]
def contact():
    return "Contact page"

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

A('/contact'

B('/contact')

C('/contact']

D['/contact']

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets instead of parentheses

Missing opening or closing parentheses

Mismatched quotes or brackets

The route decorator requires parentheses around the URL string. The correct syntax is @app.route('/contact').

4fill in blank

hard

Fill both blanks to create a route for '/user/<username>' that returns a greeting.

Flask

@app.[1]('/user/<[2]>')
def greet_user(username):
    return f"Hello, {username}!"

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

Aroute

Brun

Cusername

Duser

Attempts:

3 left

💡 Hint

Common Mistakes

Using @app.run instead of @app.route

Mismatching the variable name inside the URL and the function parameter

Using incorrect variable names inside the URL

The @app.route decorator defines the URL pattern. The part inside <> is the variable name, here username.

5fill in blank

hard

Fill all three blanks to create a route for '/post/' that returns the post ID.

Flask

@app.[1]('/post/<[2]:[3]>')
def show_post(post_id):
    return f"Post number {post_id}"

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

Aroute

Bint

Cpost_id

Drun

Attempts:

3 left

💡 Hint

Common Mistakes

Using @app.run instead of @app.route

Forgetting the type converter before the variable name

Mismatching the variable name in the URL and function parameter

The @app.route decorator defines the route. The URL uses a converter int and variable name post_id matching the function parameter.