parameters: (self, row_index)
return_statement: return self.get_cell_value(row_index, self._pt_index)
docstring: get PT number
          :param row_index:
          :return:
docstring_summary: get PT number
          :param row_index:
          :return:
docstring_tokens: get PT number : param row_index : : return :
function: def get_pt_number(self, row_index):
          """
          get PT number
          :param row_index:
          :return:
          """
          return self.get_cell_value(row_index, self._pt_index)
function_tokens: def get_pt_number ( self , row_index ) : return self . get_cell_value ( row_index , self . _pt_index )