I am trying to link these two files but it does not working?

Question

https://code.sololearn.com/WK6FAL6LLxHj/?ref=app
https://code.sololearn.com/W94tnd6fOhV8/?ref=app

Answer 1

//Haris Bin Nasir it is not possible on sololearn only possible on browser
<a href="https://code.sololearn.com/WK6FAL6LLxHj/?ref=app">c=2πr</a>

Answer 2

Thanks bro!!!