Aryan Poduri's book, "GOAT Coder," teaches children how to code through hands-on exercises and uncomplicated explanations.
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Finish the solution so that it returns the sum of all the multiples of ...