code: def __contains__(self, item):
      return item in self.components
  
file_path: interpret/python/interpret-api/interpret/newapi/explanation.py
imports: import json
  from slicer import Slicer
  from interpret.newapi.component import Component
label_desc: Use image node_id 4 for calling the Explanation obj's underlying member method code with example usage: obj.__contains__(item) and returns: unknown