Find the sum of all the multiples of 3 or 5 below n .

sum.py

#!/bin/python3

import sys

t = int(input().strip())
for a0 in range(t):
    n = int(input().strip())
    sum=0
    for i in range(1, n):
        if (i % 3==0) or (i % 5==0):
             sum +=i
    print (sum)