code: def _compare(self, other, method):
      if not isinstance(other, _BaseVersion):
          return NotImplemented
  
      return method(self._key, other._key)
  
imports: import collections
  import itertools
  import re
label_desc: Use image node_id 8 for calling the _BaseVersion obj's underlying member method code with example usage: obj._compare(other, method) and returns: method, NotImplemented