Hierarchical chunking in Prompt Engineering / GenAI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a hierarchical chunk from a list of tokens.

Prompt Engineering / GenAI

chunks = [tokens[i:i+[1]] for i in range(0, len(tokens), [1])]

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

A5

B3

C10

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Using 1 creates chunks of single tokens, which is not hierarchical.

Using 10 might create too large chunks losing detail.

Using 3 as the chunk size divides the tokens into smaller groups of 3, which is a common choice for hierarchical chunking.

2fill in blank

medium

Complete the code to flatten a list of hierarchical chunks back into tokens.

Prompt Engineering / GenAI

flat_tokens = [token for chunk in chunks for token in [1]]

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

Achunk

Bchunks

Ctokens

Dflat_tokens

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'chunks' instead of 'chunk' causes an error because 'chunks' is the outer list.

Using 'tokens' is incorrect because it is the original list, not the chunk variable.

We iterate over each chunk and then each token inside that chunk to flatten the list.

3fill in blank

hard

Fix the error in the code to create nested hierarchical chunks.

Prompt Engineering / GenAI

nested_chunks = [[chunk[i:i+[1]] for i in range(0, len(chunk), [1])] for chunk in chunks]

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

A2

B0

C-1

Dlen(chunk)

Attempts:

3 left

💡 Hint

Common Mistakes

Using 0 or negative numbers causes runtime errors.

Using len(chunk) creates sub-chunks equal to the whole chunk, no nesting.

Using 2 as the inner chunk size creates smaller sub-chunks inside each chunk, enabling nested hierarchy.

4fill in blank

hard

Fill both blanks to create a dictionary mapping chunk indices to their sizes.

Prompt Engineering / GenAI

chunk_sizes = {i: len([1]) for i, [2] in enumerate(chunks)}

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

Achunk

Bchunks

Cchunk_size

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'chunks' inside len() causes an error because it's the whole list.

Using different variable names inconsistently causes confusion.

We use 'chunk' to represent each chunk in the dictionary comprehension and in the enumeration.

5fill in blank

hard

Fill all three blanks to filter chunks with size greater than 2 and create a summary dictionary.

Prompt Engineering / GenAI

summary = {i: len([1]) for i, [2] in enumerate(chunks) if len([3]) > 2}

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

Achunk

Dchunks

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'chunks' inside len() causes errors because it's the whole list.

Using inconsistent variable names causes syntax errors.

All blanks refer to the current chunk variable to measure its length and filter accordingly.