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

Domain

Python

Difficulty

medium

Problem

Given two lists a and b (possibly of different lengths), return a list of 2-element lists [a_i, b_i] pairing by index. When one list is shorter, pad its missing positions with None so the output length equals max(len(a), len(b)).

Summary

Two sides. No value left behind.

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