# -*- coding:utf-8 -*-
"""
@author:zhouqiuhong
@file:pandas_1.py
@time:2018/10/22 002217:55
"""
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt


df = pd.DataFrame(
    {"AAA": [4, 5, 6, 7], "BBB": [10, 20, 30, 40], "CCC": [100, 50, -30, -50]})

print(df)
pd.Series
