Router prefix and tags in FastAPI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a router with prefix '/items'.

FastAPI

from fastapi import APIRouter

router = APIRouter(prefix=[1])

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

A'items/'

B"/items"

C"items"

D'/item'

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the leading slash in the prefix string.

Using singular form instead of plural for resource path.

The prefix must start with a slash and match the route base path, so '/items' is correct.

2fill in blank

medium

Complete the code to add tags to the router for documentation.

FastAPI

router = APIRouter(prefix="/users", tags=[1])

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

A["user"]

B"users"

C["users"]

D"user"

Attempts:

3 left

💡 Hint

Common Mistakes

Passing a single string instead of a list.

Using singular form 'user' instead of plural 'users' for tags.

Tags must be a list of strings, so ["users"] is correct.

3fill in blank

hard

Fix the error in the router creation by completing the blank.

FastAPI

router = APIRouter(prefix=[1], tags=["items"])

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

A"/items"

Bitems

C'items/'

D"items"

Attempts:

3 left

💡 Hint

Common Mistakes

Using unquoted identifiers instead of strings.

Missing the leading slash in the prefix string.

The prefix must be a string starting with a slash, so "/items" is correct.

4fill in blank

hard

Fill both blanks to create a router with prefix '/products' and tags ['products', 'inventory'].

FastAPI

router = APIRouter(prefix=[1], tags=[2])

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

A"/products"

B["products", "inventory"]

C["product", "stock"]

D"products"

Attempts:

3 left

💡 Hint

Common Mistakes

Using tags as a single string instead of a list.

Missing the leading slash in prefix.

The prefix must be '/products' as a string, and tags must be a list of strings including 'products' and 'inventory'.

5fill in blank

hard

Fill all three blanks to create a router with prefix '/orders', tags ['orders'], and include a GET endpoint '/list'.

FastAPI

router = APIRouter(prefix=[1], tags=[2])

@router.get([3])
async def list_orders():
    return {"message": "List of orders"}

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

A"/orders"

B["orders"]

C"/list"

D"list"

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the leading slash in prefix or path.

Using tags as a string instead of a list.

The prefix is '/orders', tags is a list with 'orders', and the GET path must be '/list' with quotes.