Why my function not returning the value i want

Question

Here I have made a factorial function and made a return statement for fac inside if statement but is not returning but code is running inside the if statement because when i use a print statement inside if statement it is working.
https://code.sololearn.com/cUbfHraYV4QP/?ref=app

Answer 1

You have to return the value of all call of factorial (see "else" block)