input: Write a function to generate a random 6-digit number and print it.
  
  def generate_random_number():
      number = random.randint(100000, 999999)
      print(number)
  
  assert generate_random_number() in range(100000, 1000000)
  assert generate_random_number() in range(100000, 1000000)
  assert generate_random_number() in range(100000, 1000000)
output: def generate_random_number():
      number = random.randint(100000, 999999)
      print(number)