# -*- coding: utf-8 -*-
# @Date    : 2019-04-02 16:39:43
# @Author  : QilongPan 
# @Email   : 3102377627@qq.com
import pandas as pd 
df = pd.DataFrame([[1,2,3,4],
	[2,3,4,5]])
se = pd.Series([1,2,3])
print(df.size)