Level 2Exercise #31
Normalize names lazily
Strip whitespace and lowercase every name using map().
What you’ll practice
This Level 2 exercise focuses on map 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: map().
Sample Test Cases
Example #1
Input:
normalize([' AYA ','Dev '])Output:
['aya','dev']Further Reading
Reference Solution
Reveal Reference Solution
def normalize(names: list[str]) -> list[str]: return list(map(lambda name: name.strip().lower(), names))Pro Tips & Keyboard Shortcuts
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