input: Write a python function to calculate the sum of all numbers below a given limit that are divisible by 2, 3, or 5.
  assert sum_of_divisibles(10) == 23
  assert sum_of_divisibles(100) == 2418
  assert sum_of_divisibles(1000) == 366168
output: def sum_of_divisibles(limit):
      return sum(x for x in range(limit) if x % 2 == 0 or x % 3 == 0 or x % 5 == 0)