code: def q04(lineitem, orders):
      date1 = md.Timestamp("1993-11-01")
      date2 = md.Timestamp("1993-08-01")
      lsel = lineitem.L_COMMITDATE < lineitem.L_RECEIPTDATE
      osel = (orders.O_ORDERDATE < date1) & (
          orders.O_ORDERDATE >= date2
      )
      flineitem = lineitem[lsel]
      forders = orders[osel]
      jn = forders[forders["O_ORDERKEY"].isin(flineitem["L_ORDERKEY"])]
      total = (
          jn.groupby("O_ORDERPRIORITY", as_index=False)[
              "O_ORDERKEY"
          ].count()
          # skip sort when Mars enables sort in groupby
          # .sort_values(["O_ORDERPRIORITY"])
      )
      print(total.execute())
  
imports: import argparse
  import functools
  import time
  from typing import Callable, List, Optional, Set, Union
  import mars
  import mars.dataframe
label_desc: Use image node_id 13 for calling a global function with example usage: q04(lineitem, orders) without return types