Diagonal Extract

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

Domain

Python

Difficulty

medium

Seniority

L4

Problem

Given a square 2D matrix, return a list of the main-diagonal values (matrix[i][i] for i in range(n)).

Summary

Not every value sits in a row or column.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a real environment and grades it automatically.