# Write a python function to find the sum of digits in a number until one digit (no more than one digit)

## Topic: Write a python function to find the sum of digits in a number until one digit (no more than one digit)

Solution

def digSum(n): sum = 0 while(n > 0 or sum > 9): if(n == 0): n = sum sum = 0 sum += n % 10 n = int(n/10) return sum

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