code: def batched_objective(xs: np.ndarray, ys: np.ndarray):
      return xs**2 + ys
  
imports: import numpy
  from sklearn.datasets import make_classification
  from sklearn.linear_model import LogisticRegression
  from sklearn.model_selection import train_test_split
  import optuna
label_desc: Use image node_id 2 for calling a global function with example usage: batched_objective(xs, ys) and returns: unknown