We created a blank solution in steps 1 to 5. In steps 7 to 10, we added a .NET Standard 2.0 Class Library project to the solution. We have given a meaningful name to the project in these steps. We renamed the default class name generated from the template in steps 12 and 13. We added a using statement for LINQ in step 14. This is necessary to explain the lambda expressions using LINQ.
In step 16, we added code to create a delegate and a method to use that delegate as a parameter. The delegate Message takes a parameter as a string and returns the output as a string. Then, we added a method to add two numbers and return the answer as a string with a message. As you can see, there are three parameters for the AddTwoNumbers() ...
