advice for a beginner?

Answer 1

hope those posts will help you :)
https://www.sololearn.com/discuss/453081/?ref=app

https://www.sololearn.com/discuss/96845/?ref=app

Answer 2

Use search bar :
https://www.sololearn.com/Discuss/595802/?ref=app

Answer 3

First advice: try to not ask already answered questions

Answer 4

https://www.sololearn.com/Discuss/175156/?ref=app

Answer 5

great, thank you guys... next time, i'll think and search before ask any question