code: def is_natural(hand):  # Is this hand a natural blackjack?
      return sorted(hand) == [1, 10]
  
imports: import os
  from typing import Optional
  import numpy
  import gym
  from gym import spaces
  from gym.error import DependencyNotInstalled
label_desc: Use image node_id 8 for calling a global function with example usage: is_natural(hand) and returns: unknown