I want to phone. I want to do this. Thanks you.

Question

To phone.
https://code.sololearn.com/Wj8oHBTm7mLn/?ref=app

Answer 1

Do you have a doubt or what?

Answer 2

Ask you questions here only.

https://www.sololearn.com/discuss/1316935/?ref=app

Answer 3

I want to do this exercice.
I want to begin something.
Thanks you.

Answer 4

I haven't doubt. I want to now how. Give me Idea.