What is output of following code?

Question

def func(n):
if(n==1):
return 1;
else:
return (n+func(n-1))
print(func(4))

Answer 1

How about running it in the code editor??

Answer 2

The answer is 10, but the question you should ask is why?

Answer 3

It is a recursive function return sum of numbers upto given range