code: def p_or_p_expression(tok):
          
          if len(tok) == 4:
              tok[0] = LogicalBinOpRule(tok[2], tok[1], tok[3])
          else:
              tok[0] = tok[1]
docs: or_p_expression : xor_p_expression OP_OR_P or_p_expression
                        | xor_p_expression