How to find the sum of all the multiples of 3 or 5 below 1000 in Python?

Question

Not sure if I should\'ve posted this on math.stackexchange instead, but it includes more programming so I posted it here.

The question seems really simple, but I\'ve

Answer 1

this is my solution

sum = 0
for i in range (1,1000):
        if (i%3)==0 or (i%5)==0:
            sum = sum + i
print(sum)