thread.py

import _thread
import ...whatever the orderbook needs to be..

def multi_order_sumit(thread_num):
  print("This is thread",thread_num)
  LOB = instance of an orderbook please ()
  for i in range(1000):
    result = LOB.submit_order( some test cases with incermentally groving price or such...) #or whatever it is callled
  
  return  whatever we ecpect result to be

_thread.start_new_thread( multi_order_submit, ("Thread-1", ) )
_thread.start_new_thread( multi_order_submit, ("Thread-2", ) )

#Are we happy?