The Depth of Field

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

Domain

Python

Difficulty

easy

Seniority

L3

Problem

Given a nested list and a non-negative integer depth, flatten the list by `depth` levels. depth=0 returns the list unchanged. depth=1 flattens one level. Anything nested deeper than the depth remains as a sublist.

Summary

Some containers hold containers that hold containers.

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