ClassTestExersise2B/ClassTestExerise2B/bin/Debug/netcoreapp3.1/ClassTestExerise2B.runtimeconfig.json

{
  "runtimeOptions": {
    "tfm": "netcoreapp3.1",
    "framework": {
      "name": "Microsoft.NETCore.App",
      "version": "3.1.0"
    }
  }
}