using System;
using System.Collections.Generic;
class Program
{
static void Main() {
List<string> lst = new List<string>() {"c#", "c", "c++", "c#", "java", "python"};
var i = 0;
while(i < lst.Count) {
Console.WriteLine(lst[i]);
i++;
}
}
}
/*
run:
c#
c
c++
c#
java
python
*/