Also meta.stackoverflow.com/q/334822/4046632 and softwareengineering.meta.stackexchange.com/q/6166 — buran just now

softwareengineering.meta.stackexchange.com/questions/6166/… — Markus Meyer 8 secs ago

Welcome to Stack Overflow. Please take the tour to learn how Stack Overflow works and read How to Ask on how to improve the quality of your question. Please see: Why is “Is it possible to…” a poorly worded question?. Please show your attempts you have tried and the problems/error messages you get from your attempts. — Progman 10 secs ago

First of all please read How do I ask and answer homework questions? as well as Open letter to students with homework problems — Some programmer dude 33 secs ago