摘要:
import numpy as np import pandas as pd data = {'color':['blue','green','yellow','red','white'],'object':['ball','pen','pencil','paper','mug'],'price':[1.2,1.0,2,2.1,0.5]} frame = pd.DataFrame(data 阅读全文
posted @ 2018-01-10 13:00
风在人舟
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