code: def sum_hand(hand):  # Return current hand total
      if usable_ace(hand):
          return sum(hand) + 10
      return sum(hand)
  
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 5 for calling a global function with example usage: sum_hand(hand) and returns: sum, unknown