Python coding for tasks from project euler : https://projecteuler.net/archives
print (" 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. Find the sum of all the multiples of 3 or 5 below 1000.")
T = 0 F = 0 t = 0 f = 0 s = 0
while t < 1000 : t = 3 * T if t < 1000 : s = s + t T = T + 1
while f < 1000 : f = 5 * F if f < 1000 : s = s + f F = F + 1
print ("the sum of all the multiples of 3 or 5 below 1000 is,",s)