input: Write a function to generate a random number between the given input numbers.
  
  def random_num(start, stop):
      return random.randint(start, stop)
  
  # Example
  num = random_num(0, 10)
  print(num)
  assert 0 <= random_num(0, 10) <= 10
  assert 15 <= random_num(15, 20) <= 20
  assert 100 <= random_num(100, 100) <= 100
output: import random
  
  def random_num(start, stop):
      return random.randint(start, stop)