Let's have a look at the steps and try to understand. In steps 1 to 3, we opened an existing solution that contained the .NET Standard 2.0 library. We did a quick build to check that all the syntax was OK and the project is compiling without any issues. In steps 4 to 8, we added a .NET Core console-based application to the project and gave it a proper name.
In steps 10 to 14, we added a reference to the .NET Standard 2.0 library project from our .NET Core console application. In step 17, we added two namespaces to the Program.cs code. One is for accessing reflection classes, which are contained in the System.Reflection namespace. The other one is the .NET Standard 2.0 library itself.
In step 18, we added code to the Program.cs ...
