Rotate a square matrix clockwise: Two-by-two matrix

What this Python exercise asks you to practise

This scenario tests rotate a square matrix clockwise. It belongs to the Top Company Arrays, Strings, and Sliding Windows roadmap and uses the move boundaries while preserving a window or two-pointer invariant pattern.

Company-screen array and string patterns: two pointers, matrices, prefix sums, and sliding windows.

Skills and reported company tags

Interview platforms and learner reports associate this problem family with the companies below. Tags are preparation signals, not a guarantee that an identical question will appear.