Page-based pagination in Rest API - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the default page size to 10 in the API response.

Rest API

page_size = [1]

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A10

B20

C5

D50

Attempts:

3 left

💡 Hint

Common Mistakes

Using too large or too small numbers for page size.

The default page size is set to 10 to limit the number of items returned per page.

2fill in blank

medium

Complete the code to extract the current page number from the request query parameters.

Rest API

current_page = request.args.get('[1]', 1, type=int)

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Apage

Boffset

Csize

Dlimit

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'limit' or 'offset' instead of 'page' for page number.

The 'page' parameter is commonly used to specify the current page number in pagination.

3fill in blank

hard

Fix the error in calculating the offset for the database query.

Rest API

offset = (current_page [1] 1) * page_size

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A/

B-

C*

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Adding 1 instead of subtracting 1 causes wrong offset.

Offset is calculated by subtracting 1 from the current page number, then multiplying by page size.

4fill in blank

hard

Fill both blanks to create a dictionary comprehension that maps each item id to its name for items on the current page.

Rest API

page_items = {item['[1]']: item['[2]'] for item in items}

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Aid

Bname

Ctitle

Dvalue

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'title' or 'value' instead of 'name' for the value.

We use 'id' as the key and 'name' as the value to create the dictionary of items.

5fill in blank

hard

Fill all three blanks to filter items with price greater than 100 and create a dictionary with item names as keys and prices as values.

Rest API

filtered_items = {item['[1]']: item['[2]'] for item in items if item['[3]'] > 100}

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Aname

Bprice

Did

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'id' as key or filtering by wrong field.

We use 'name' as the key, 'price' as the value, and filter by 'price' greater than 100.