medium-5-6.py

# docs for self.get_candles: 
# https://docs.jesse-ai.com/docs/strategies/api.html#get-candles
all_daily_candles = self.get_candles(self.exchange, self.symbol, '1D')

# notice that "-1" would have have given me the current candle, 
# hence "-2" gives me the one before that which is yesterday's
previous_day_candle = all_daily_candles[-2]

previous_day_candle_low = previous_day_candle[4]