Count elements in matrix

Return total scalar count.

vectors arrays numpy-style

Implement `matrix_size(matrix: list[list[float]]) -> int`.

Constraints: Pure Python lists only (no numpy import required in browser).

Constraints

Pure Python lists only (no numpy import required in browser).

Example

>>> matrix_size(...)
# see tests

35 points ~30 min

Recent Submissions

No submissions yet — hit Run Tests to try!

Hints

Think element-wise across aligned indices.

Handle empty inputs before loops.

Test Results

Press Ctrl+Enter or click Run Tests to execute your code.