How to extract a column from a 2D List to a 1D List?

Question

.NET

There is some two-dimensional dynamic list List:

List<List<int>> twoDimentionalList = new List<List<int>>();

In which there are 3 columns and 100 rows filled with data (if I express myself correctly).
How to extract all elements of the 2nd column from this two-dimensional list and write them into a one-dimensional dynamic list List?
.

Answer 1

List<int> allIntegersFromSecondColumn = twoDimentionalList.Select(row => row[1]).ToList();