challange problem

challange.py

"""
Python Data Structures - A Game-Based Approach
Reading a maze from a text file
Robin Andrews - https://compucademy.net/
"""


def read_maze(file_name):
    """
    Reads a maze stored in a text file and returns a 2d list containing the maze representation.
    """
    try:
        with open(file_name) as fh:
            maze = [[char for char in line.strip("\n")] for line in fh]
            num_cols_top_row = len(maze[0])
            for row in maze:
                if len(row) != num_cols_top_row:
                    print("The maze is not rectangular.")
                    raise SystemExit
            return maze
    except OSError:
        print("There is a problem with the file you have selected.")
        raise SystemExit


if __name__ == "__main__":
   maze  = read_maze("mazes/challenge_maze.txt")
   for row in maze:
       print(row)

using System;

class Program
{
static void Main() {
int[][] jagged = new int[4][];
// set row 1
jagged[0] = new int[2];
jagged[0][0] = 10;
jagged[0][1] = 11;
// set row 2
jagged[1] = new int[1];
jagged[1][0] = 55;
// set row 3
jagged[2] = new int[4];
jagged[2][0] = 70;
jagged[2][1] = 23;
jagged[2][2] = 33;
jagged[2][3] = 56;
// set row 4
jagged[3] = new int[1];
jagged[3][0] = 69;
Console.WriteLine("At row 3, col 2 "+jagged[2][1]);

}

}