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Time Complexity · #4 · 2026-04-08

What's the Big-O?

Python ·Difficulty 1/3

How to play

Read the code and pick its time complexity from four Big-O choices. Think about loops, recursion, and hidden costs. Press 1–4 or click to answer.

d is a Python dict with n entries. What is the average-case time complexity?

def has_key(d, key):
    return key in d

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Press 1 through 4, or tap a numbered choice, to answer. Back to hub