code: def sin2(xi):
      """sin squared of all data"""
      import numpy as np
  
      return np.sin(xi) ** 2
  
imports: import numpy
  from pathos.helpers import freeze_support, shutdown
  from pathos.pools import ProcessPool
  from pathos.pools import ParallelPool
  from pathos.pools import ThreadPool
label_desc: Use image node_id 1 for calling a global function with example usage: sin2(xi) and returns: unknown