Level 2Exercise #29

Build a lookup

Create a dictionary from parallel key and value lists.

What you’ll practice

This Level 2 exercise focuses on zip + dict in the Built-ins curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.

Relevant Python reference: zip().

Sample Test Cases

Example #1

Input:make_lookup(['ok','error'], [200,500])

Output:{'ok':200,'error':500}

Reference Solution

Reveal Reference Solution

def make_lookup(keys: list[str], values: list[int]) -> dict[str, int]:
    return dict(zip(keys, values))

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Build a lookup

What you’ll practice

Sample Test Cases

Further Reading

Reference Solution