code: def generate_coin(
      batch_size,
      generate,
      red_coin,
      red_pos,
      blue_pos,
      coin_pos,
      grid_size,
  ):
      red_coin[generate] = 1 - red_coin[generate]
      for i in prange(batch_size):
          if generate[i]:
              coin_pos[i] = place_coin(
                  red_pos[i], blue_pos[i], grid_size
              )
      return coin_pos
  
imports: import copy
  from collections import Iterable
  import numpy
  from numba import jit, prange
  from numba.typed import List
  from ray.rllib.examples.env.coin_game_non_vectorized_env import CoinGame
  from ray.rllib.utils import override
label_desc: Use image node_id 6 for calling a global function with example usage: generate_coin(batch_size, generate, red_coin, red_pos, blue_pos, coin_pos, grid_size) and returns: coin_pos