How to learn to write prgms,what are the basic needs

Answer 1

I strongly recommend learning first the basics of algorithm design, regardless of the programming language that you're using. "Algorithms + Data structures = Programs" by N.Wirth can be a good starting point.

Answer 2

the basic of any language is same butvuf you want to learn how to write a program go to google and get some courses and you will find some questions with solutions try it by your self and you will learn 😉