Mbpp/129

def magic_square_test(matrix):
    """
    Determines if a given square matrix is a magic square.
    A magic square is a square matrix where the sum of every row,
    every column, and both diagonals are equal.
    """
    if not matrix:
        return False
    
    n = len(matrix)
    # Ensure matrix is square
    for row in matrix:
        if len(row) != n:
            return False
    
    target = sum(matrix[0])
    
    # Check rows

• [[[7, 12, 1, 14], [2, 13, 8, 11], [16, 3, 10, 5], [9, 6, 15, 4]]]

• [[[-2, 7, 6], [9, -5, 1], [4, 3, -7]]]