Open letter to students with homework problems — Yevhen Kuzmovych 37 secs ago

Stack Overflow is a Q&A site for programmers. It is not a help forum or a discussion board. It is unclear whether your question is a good fit here because you are giving very little actionable detail. Consult What topics can I ask about here to find how if your question fits. If it does not, you may want to try at Web Applications Stack Exchange or at Google Sheets Community. — doubleunary 32 secs ago

Stack Overflow is a Q&A site for programmers. It is not a help forum or a discussion board. It is unclear whether your question is a good fit here because you are giving very little actionable detail. Consult What topics can I ask about here to find if your question fits. If it does not, you may want to try at Web Applications Stack Exchange or at Google Sheets Community. — doubleunary just now

Please read about homework questions — g00se 50 secs ago

"Best practice" questions are generally off-topic here, likewise questions that aren't narrowly focused on a specific problem with existing code. This might be a better fit for Software Engineering — Charles Duffy 45 secs ago

Welcome to SO! You should read Open letter to students with homework problems. There is also the tour and How to Ask for newcomers. — cafce25 11 secs ago

Open letter to students with homework problems — cafce25 22 secs ago

Under common SO étiquette, which you might want to read about here for example, if your tentative code does not compile, you are welcome to provide the compiler error message in the text of your question. Have a nice Haskell journey ! — jpmarinier 47 secs ago