摘要: 1 import pandas as pd 2 import numpy as np 3 4 # merge合并 ,类似于Excel中的vlookup 5 6 df1 = pd.DataFrame({'key': ['K0', 'K1', 'K2', 'K3'], 7 'A': ['A0', 'A1 阅读全文
posted @ 2019-05-05 21:50 xsan 阅读(3155) 评论(0) 推荐(0) 编辑