code: def enterShortPosition(self, bars):
      return self.enterShort("orcl", 10)
  
imports: from .None import common
  from pyalgotrade import strategy
  from pyalgotrade.barfeed import yahoofeed
  from pyalgotrade.technical import ma
  from pyalgotrade.technical import cross
label_desc: Use image node_id 2 for calling the MarketOrderStrategy obj's underlying member method code with example usage: obj.enterShortPosition(bars) and returns: self