Python - pandas dataframe loc - Selecting pandas data using loc - 利用index與column對dataframe取特定值或特定範圍內的所有值

Python版本：Python 3.6.0 :: Anaconda 4.3.1 (64-bit)
Pandas版本：0.19.2
系統版本：Windows 10

import pandas as pd
import numpy as np
dates = pd.date_range('1/1/2000', periods=8)
df_sanple = pd.DataFrame(np.random.randn(8, 4), index=dates, columns=['A', 'B', 'C', 'D'])
df_sanple
df_sanple.loc['2000-01-01','D']
df_sanple.loc['2000-01-01':'2000-01-03','C':'D']

執行結果：