python字典按绝对值排序
# python字典按绝对值排序
elf.buy_orders.sort(key=lambda x: abs(float(x['price'])-float(avg_price_5min)), reverse=True)
# python字典按绝对值排序
elf.buy_orders.sort(key=lambda x: abs(float(x['price'])-float(avg_price_5min)), reverse=True)