code: def f(x: np.ndarray) -> np.ndarray:
      """The function to predict."""
      return x * np.sin(x)
  
imports: import argparse
  from typing import Dict
  import numpy
  from sklearn.model_selection import train_test_split
  import xgboost
label_desc: Use image node_id 1 for calling a global function with example usage: f(x) and returns: unknown