code: def main():
      conn = choco.SQLiteConnection("sqlite:///my_db.db")
      # results = conn.results_as_dataframe()
  
      space = {"x": choco.uniform(-6, 6), "y": choco.uniform(-6, 6)}
  
      # Refer to https://chocolate.readthedocs.io/tutorials/algo.html
      sampler = choco.QuasiRandom(conn, space, clear_db=True)
      # sampler = choco.MOCMAES(conn, space, mu=0.1, clear_db=True)
  
      # Token: {'_chocolate_id': 0}
      # Params: {'y': 1.4641226269602674, 'x': 2.5223111999723393}
      token, params = sampler.next()
      loss = himmelblau(**params)
      sampler.update(token, loss)
      print("Token: {}, loss: {}".format(token, loss))
  
      """
    token = {'_chocolate_id': 2}
    chocolate_params = {'y': -4.666666666666667, 'x': 3.0}
    entry = {"_chocolate_id": 3, 'y': -4.666666666666667, 'x': 3.0, "_loss": 100}
    conn.insert_result(entry)
    """
  
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types