Multiples of 3 and 5 with Python

The challenge

This challenge is a variation of the common FizzBuzz question.


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 3 or 5 below the number passed in.

Note: If the number is a multiple of both 3 and 5, only count it once.

Test cases

test.describe("Multiples of 3 and 5") test.it("should handle basic cases") test.assert_equals(solution(10), 23)
Code language: Python (python)

The solution in Python

# take in a number def solution(number): # create a list to populate answers = [] # loop through all numbers in the range for i in range(number): # if divisible by 3 or 5 and within range if (i%3==0 or i%5==0) and i<number and i>0: # add to the answers list answers.append(i) # return the sum of the answers return sum(answers)
Code language: Python (python)
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