Can someone explain to me where can I write code

Answer 1

Guys I mean for example I have a code but and I want share it in Google play
So where can I write it

Answer 2

in bottom is { } symbol for codes section
there on the right is green button for new code
select your language

Answer 3

https://www.google.com/amp/s/appinventiv.com/blog/how-to-submit-app-to-google-play-store/