code: def __contains__(self, other):
      return any(x.__hash__() == other.__hash__() for x in self)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import functools
  import math
  from .linebuffer import LineActions
  from .utils.py3 import cmp, range
label_desc: Use image node_id 1 for calling the List obj's underlying member method code with example usage: obj.__contains__(other) and returns: any