How to run the following code without getting output none

Question

I am just alittle kid tell me a soliution
https://code.sololearn.com/cPb00W5qs69I/?ref=app

I am trying to compleate a code coach challange😃

Secret massage
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Answer 1

You can't, as in it's current state there isn't even a print statement in the program

Answer 2

Thank you😀

Answer 3

You have add return-construction in end of function. In else case you have ever get None from function

Answer 4

the function kalindu does not return anything and since all functions in python without an explicit return statement return none, tha's why you get none.