docstr: get the total deal volume of stock with `stock_id` between the time interval [start_time, end_time)
docstr_tok: ["get","the","total","deal","volume","of","stock","with","`","stock_id","`","between","the","time","interval","[","start_time",",","end_time",")"]
code: def get_volume(
      self,
      stock_id: str,
      start_time: pd.Timestamp,
      end_time: pd.Timestamp,
      method: Optional[str] = "sum",
  ) -> Union[None, int, float, bool, IndexData]:
      """get the total deal volume of stock with `stock_id` between the time interval [start_time, end_time)"""
      return self.quote.get_data(
          stock_id, start_time, end_time, field="$volume", method=method
      )
  
imports: from __future__ import annotations
  from collections import defaultdict
  from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Type, Union, cast
  from ..utils.index_data import IndexData
  import random
  import numpy
  import pandas
  from qlib.backtest.position import BasePosition
  from ..config import C
  from ..constant import REG_CN, REG_TW
  from ..data.data import D
  from ..log import get_module_logger
  from .decision import Order, OrderDir, OrderHelper
  from .high_performance_ds import BaseQuote, NumpyQuote
label_desc: Use image node_id 13 for calling the Exchange obj's underlying member method code with example usage: obj.get_volume(stock_id, start_time, end_time, method) and returns: self