Route with dynamic parameters in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a route that accepts a dynamic username parameter.

Flask

from flask import Flask
app = Flask(__name__)

@app.route('/user/[1]')
def show_user(username):
    return f"User: {username}"

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

A(username)

B<username>

C[username]

D{username}

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets or parentheses instead of angle brackets.

In Flask, dynamic route parameters are enclosed in <> brackets.

2fill in blank

medium

Complete the code to convert the dynamic parameter to an integer in the route.

Flask

@app.route('/post/[1]')
def show_post(post_id):
    return f"Post ID: {post_id}"

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

A<int:post_id>

B<str:post_id>

C<post_id>

D<float:post_id>

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the type converter or using the wrong type.

Use <int:parameter> to convert the route parameter to an integer.

3fill in blank

hard

Fix the error in the route decorator to correctly capture a float parameter named price.

Flask

@app.route('/price/[1]')
def show_price(price):
    return f"Price: {price}"

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

A<float:price>

B<int:price>

C<price>

D<str:price>

Attempts:

3 left

💡 Hint

Common Mistakes

Using int or str instead of float for decimal values.

Use <float:price> to capture a floating-point number in the route.

4fill in blank

hard

Fill both blanks to create a route that accepts a string category and an integer item_id.

Flask

@app.route('/shop/[1]/[2]')
def show_item(category, item_id):
    return f"Category: {category}, Item ID: {item_id}"

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

A<string:category>

B<int:item_id>

C<category>

D<item_id>

Attempts:

3 left

💡 Hint

Common Mistakes

Not specifying types or mixing up parameter names.

Use <string:category> and <int:item_id> to specify types for both parameters.

5fill in blank

hard

Fill all three blanks to define a route with a string username, an integer year, and a float rating.

Flask

@app.route('/profile/[1]/[2]/[3]')
def profile(username, year, rating):
    return f"User: {username}, Year: {year}, Rating: {rating}"

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

A<string:username>

B<int:year>

C<float:rating>

D<user>

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect types or missing type converters.

Use <string:username>, <int:year>, and <float:rating> to define the route parameters with types.