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Awesome! Now let’s try something a little trickier. Try summing the digits of a number.
Instructions
1.
Write a function called digit_sum
that takes a positive integer n
as input and returns the sum of all that number’s digits. For example: digit_sum(1234)
should return 10
which is 1 + 2 + 3 + 4
. (Assume that the number you are given will always be positive.)
Check the hint if you need help!
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