Default values for parameters and params on lambda expressions in C# 12 .NET 8

Authorised Territory code examples - This .NET 8 C# #tutorial shows a new feature in #csharp 12 where it is possible to set a default value on lambda expressions.
First, we create a lambda expression and set a default value.
Next, we run the console app and show the output.
Finally, we add a param keyword to lambda expression and demonstrate passing different number of arguments to the expression.