static string printFinal(List <Graph> result) // Print the final result
{
string text = "";
int i = 1;
foreach (Graph g in result)
{
text += "Semester " + i + " : ";
foreach (Node n in g.getNodes())
{
text += n.getCourse() + " ";
}
text += "\n";
i++;
}
return(text);
}
