Matrix & 2D Arrays
easy
Toeplitz Matrix Check
Write a function is_toeplitz(matrix) that checks if a 2D list is a Toeplitz matrix, where all elements on the same diagonal from top-left to bottom-right are identical.
matrix
array
diagonal
Matrix & 2D Arrays
easy
Diagonal Traverse Matrix
Implement a function that returns all elements of a matrix in diagonal zigzag order.
matrix
traversal
array
Showing 2 challenges · Matrix & 2D Arrays
Matrix & 2D Arrays — Python coding challenges
What you will find here
This page lists matrix & 2d arrays challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.
Challenges vs tutorials and quizzes
Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.