#!/usr/bin/env python 
# -*- coding:utf-8 -*-
# @author: peidehao
import pandas as pd

# df = pd.read_csv('rb.csv', index_col='时间')
# print(df)
# df = df.where()
# print(df)
list1 = [1,2,3,4,5,6]
print(list1[-3:])