c sharp,c++ and python problem

Tester2.cs

using System; using System.Collections.Generic; using System.Collections; namespace TriDiagonalMatrix { public class Tester { public static void Main(String [] args) { const int N = 10; TriDiagonalMatrix m1 = new TriDiagonalMatrix(N); TriDiagonalMatrix m2 = new TriDiagonalMatrix(N); int x = 1; for (int row = 0; row < N; row++) { for (int col = 0; col < N; col++) { if (Math.Abs(row-col) <= 1) { m1.set(row, col, 1); m2.set(row, col, x); x++; } } } TriDiagonalMatrix m3 = m1 + m2; Console.WriteLine("m1:"); foreach (int v in m1) { Console.Write(v + " "); } Console.WriteLine(); Console.WriteLine("m2:"); foreach (int v in m2) { Console.Write(v + " "); } Console.WriteLine(); Console.WriteLine("m3:"); foreach (int v in m3) { Console.Write(v + " "); } Console.WriteLine(); Console.WriteLine("m3:"); TriDiagonalMatrixEnumerator ie = m3.GetEnumerator(); while (ie.MoveNext()) { Console.Write(ie.Current + " "); } Console.WriteLine(); } } }