code: def schwefel_1_2(x: np.ndarray) -> float:
      cx = np.cumsum(x)
      return sphere(cx)
  
imports: from typing import List, Callable, Optional
  from math import exp, sqrt
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: schwefel_1_2(x) and returns: sphere