Def recursiveDigitSum(n): ''' Computes the sum of digits of a positive integer n. Returns None of n is negative. - Your solution must use recursion in order to receive credit. ''' return "stub"

def recursiveDigitSum(n):

   if n<10:

       return n

   else:

       return (n%10)+recursiveDigitSum(n/10)

print(recursiveDigitSum(93))

Explanation:

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