获取4x4矩阵的列和行的最高和

def get_max_row_col_sums(matrix):
    if len(matrix) != 4 or any(len(row) != 4 for row in matrix):
        raise ValueError("Matrix must be 4x4")

    max_row_sum = float('-inf')
    max_col_sum = float('-inf')

    # Calculate row sums and find the maximum row sum
    for row in matrix:
        row_sum = sum(row)
        if row_sum > max_row_sum:
            max_row_sum = row_sum

    # Calculate column sums and find the maximum column sum
    for col in range(4):
        col_sum = sum(matrix[row][col] for row in range(4))
        if col_sum > max_col_sum:
            max_col_sum = col_sum

    return max_row_sum, max_col_sum

# Example usage
matrix = [
    [1, 2, 3, 4],
    [5, 6, 7, 8],
    [9, 10, 11, 12],
    [13, 14, 15, 16]
]

max_row_sum, max_col_sum = get_max_row_col_sums(matrix)
print(f"Maximum row sum: {max_row_sum}")
print(f"Maximum column sum: {max_col_sum}")