Misterschool™ says «hello» to everyone and he would love to teach how to produce an «Hello world!» output in various programming languages. «Hello world!» is a default WordPress post too: we could delete it, but we wish to greet everyone talking about a little not well-known curiosity.

In addition we will answer to some questions like these:

• “Why is «hello world» so famous?”
• “Why do coders use «hello world»?”
• “Who invented the «hello» word?”

¡Have a nice reading! 🙂