Why the people challenge each other for coding and what are the uses

Question

not only learning however challenging

Answer 1

Challenges have a lot of questions. It helps you in predicting output of codes fastly and accurately. You can also learn about some new features there. And also it is a sort of fun and relax in programming !!!

Answer 2

Reinforces the concepts and facilitates learning

Answer 3

yeah thats right...thank u friends...