public IActionResult Index()
{
var output = @$ "First usage (in the controller):
Transient service result: {transientNumberService.Number}
Scoped service result: {scopedNumberService.Number}
Singleton service result: {singletonNumberService.Number}
Second usage (in the consumer service):
Transient service result: {consumerService.GetNumberFromTransientService()}
Scoped service result: {consumerService.GetNumberFromScopedService()}
Singleton service result: {consumerService.GetNumberFromSingletonService()}";
return(Content(output));
}