input: Write a function to generate a list of all numbers from 0 to 50 that are divisible by both 3 and 5. The function should return the list. 
  
  assert find_divisible_numbers()==[0, 15, 30, 45]
output: def find_divisible_numbers():
      return [i for i in range(51) if i % 3 == 0 and i % 5 == 0]