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Rooted by: Function that adds the digits of an integer
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  • Code 
    def digit_sum(n: int) -> int:
    return sum(map(int, str(abs(n))))
    Test Cases 
    from unittest import TestCase
from solution import digit_sum


import codewars_test as test
from solution import digit_sum

@test.describe('Tests')
def tests():

    @test.it('Test Cases')
    def test_sums():
        test.assert_equals(digit_sum(10000000000000000000000000000),1)
        test.assert_equals(digit_sum(55001),11)
        test.assert_equals(digit_sum(104),5)
        test.assert_equals(digit_sum(0),0)
        test.assert_equals(digit_sum(-1204),7)
    View Run Output
  • Code
    • def digit_sum(number: int) -> int:
    • return(sum([int(num) for num in str(abs(number))]))
    • def digit_sum(n: int) -> int:
    • return sum(map(int, str(abs(n))))