Show multiples of 2 numbers within a range

# https://www.codewars.com/kata/583989556754d6f4c700018e

def multiples(s1,s2,s3):
    arr = []
    for i in range(s1, s3, + 1):
        if i % s1 == 0 and i % s2 == 0:
            arr.append(i)
    return arr