code: def __and__(self, other):
      if UNSURE in (self, other):
          return UNSURE
      else:
          return (
              REACHABLE if self._value and other._value else UNREACHABLE
          )
  
file_path: catboost/contrib/python/jedi/py3/jedi/evaluate/flow_analysis.py
imports: from jedi.parser_utils import get_flow_branch_keyword, is_scope, get_parent_scope
  from jedi.evaluate.recursion import execution_allowed
label_desc: Use image node_id 3 for calling the Status obj's underlying member method code with example usage: obj.__and__(other) and returns: UNSURE, unknown