The Event Bucketer

A easy Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain

Python

Difficulty

easy

Seniority

L5

Problem

Given log tuples [timestamp_string, event_label] where timestamp is 'YYYY-MM-DD HH:MM:SS', bucket by hour using the first 13 characters ('YYYY-MM-DD HH'). Return a dict mapping each hour bucket to a dict mapping each event label to its count within that hour. An empty input list returns an empty dict {}.

Summary

Logs slotted into buckets.

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