cheet codes in c# - cheatcode in c# - Tuple in c# - var keyword in c#

 https://zerotomastery.io/cheatsheets/csharp-cheat-sheet/

var anon = new { Name = "John", Age = 25 };

var person = Tuple.Create("John", 25); // Creates a tuple with two items.

person.item1; person.item2;

https://www.geeksforgeeks.org/c-sharp/c-sharp-tuple/