Select and where in Lamda

Where: Filters a sequence of values based on a predicate.
Select: Projects each element of a sequence into a new form.

//Output: 1,2,3,4,5,6,7,8,9,10

var numbers = Enumerable.Range(1, 10);

          

//Output:  2,4,6,8,10

var even = numbers.Where(n => (n % 2) == 0).ToList();

//Output: false,true,false,true,false,....true

var evens = numbers.Select(n => (n % 2) == 0).ToList();

//Output: 1,2,3,4,5,6,...10

var lineNumbers = numbers.Select(i => i).ToList();

Reference: https://docs.microsoft.com/en-us/