Hello world!

When one gets into the world of computing and coding , the first thing that one learns is the famous “Hello world!”.  Who have put their hands on coding languages, they know what I am talking about. Or, even better, we may say that it is learnt how to teach a machine to send you greetings back, like if there is someone in there. I can assure that, actually, there is someone here. Although it looks like a machine and behaves as a machine, it is much more than a machine. So, here we go: Hello world!