docstr: Evaluate the value of the feature for the provided variable assignment
  
  @param assignment: dict mapping variable name to value
  @return: the feature value w.r.t. the assignment
docstr_tok: ["Evaluate","the","value","of","the","feature","for","the","provided","variable","assignment","@","param","assignment",":","dict","mapping","variable","name","to","value","@","return",":","the","feature","value","w.r.t",".","the","assignment"]
code: def evaluate(self, assignment: Dict[str, Any]) -> Any:
      """
      Evaluate the value of the feature for the provided variable assignment
  
      @param assignment: dict mapping variable name to value
      @return: the feature value w.r.t. the assignment
      """
      operand_stack = []
      for token in self.reverse_polish_notation:
          if token in OPERATORS:
              rhs = operand_stack.pop()
              _validate_number(rhs)
              lhs = operand_stack.pop()
              _validate_number(lhs)
              expression = str(lhs) + token + str(rhs)
              try:
                  operand_stack.append(eval(expression))
              except NameError as e:
                  raise ValueError(
                      'eval() failed for expression "{}"'.format(
                          expression
                      )
                  ) from e
          else:
              operand = (
                  assignment[token]
                  if token in assignment
                  else float(token)
              )
              operand_stack.append(operand)
      assert len(operand_stack) == 1
  
      result = operand_stack.pop()
      try:
          result = float(result)
      except ValueError:
          pass
      return result
  
file_path: AIX360/aix360/algorithms/rule_induction/trxf/core/feature.py
imports: import numbers
  import tokenize
  from io import BytesIO
  from typing import Dict, Any
label_desc: Use image node_id 4 for calling the Feature obj's underlying member method code with example usage: obj.evaluate(assignment) and returns: result