pandas Dataframe行 列读取的方法

import matplotlib.pyplot as plt

import tkinter

import numpy as np

import pandas as pd

from pandas import Series,DataFrame

data = {‘a’:[1,2,3],

‘c’:[4,5,6],

‘b’:[7,8,9]

}

frame = DataFrame(data,index=[‘one’,’two’,’three’])

print(frame)

print(frame.iloc[2])

print(frame.loc[‘three’])

print(frame.b)