input: Write a function to find all the numbers divisible by a certain number within a certain range.
  
  ### Input:
  int m=36, int n=74, int divisor=6
  
  ### Output:
  def find_numbers_divisible_by(m, n, divisor):
      divisible_numbers = []
      for i in range(m, n+1):
          if i % divisor == 0:
              divisible_numbers.append(i)
      return divisible_numbers
  
  assert find_numbers_divisible_by(36, 74, 6) == [36, 42, 48, 54, 60, 66, 72]
output: def find_numbers_divisible_by(m, n, divisor):
      divisible_numbers = []
      for i in range(m, n+1):
          if i % divisor == 0:
              divisible_numbers.append(i)
      return divisible_numbers