- 
bourse.core.OrderBook.place_order(bid: bool, vol: int, trader_id: int, price: int = 
None) int Place a new order on the market
Create and place a new order, will immediately place the order on the market, matching if possible.
None)  intPlace a new order on the market
Create and place a new order, will immediately place the order on the market, matching if possible.