code: def find_intersection(self, a, b):
      return list(set(a) & set(b))
  
file_path: BigDL/python/ppml/src/bigdl/ppml/fl/psi/psi_intersection.py
imports: import logging
  import threading
  from bigdl.ppml.utils.log4Error import invalidOperationError
label_desc: Use image node_id 2 for calling the PsiIntersection obj's underlying member method code with example usage: obj.find_intersection(a, b) and returns: list