input: 
  def generate_random_number() -> int:
      """Generate a random 6-digit number in Python.
      >>> generate_random_number()
      456789  # Example output, actual number will vary
      >>> generate_random_number()
      123456  # Example output, actual number will vary
      """
      import random
      return random.randint(100000, 999999)
  
output:     import random
      return random.randint(100000, 999999)