14Sum of Digits

Easymathloops

Write digit_sum(n) that returns the sum of the digits of the non-negative whole number n. digit_sum(1234) is 10.

Examples

Example 1

>>> digit_sum(1234)
10

Example 2

>>> digit_sum(0)
0

Run examples checks the 2 examples above. Submit runs all 6 tests, including hidden edge cases, and marks the challenge solved.

solution.py

Loading Python…Ctrl/Cmd + Enter runs the examples

Test results show up here

Write digit_sum in the editor, then run the examples. Use print() freely: its output is shown for each test.