input: def generate_random_number():
      """ Generate a random number between 0 and 9.
      >>> generate_random_number()
      7
      >>> generate_random_number()
      2
      """
      import random
      random_num = random.randint(0, 9)
      return random_num
  
output:     import random
      random_num = random.randint(0, 9)
      return random_num