摘要:
mport numpy as npimport pandas as pd# iloc 主要用于索引取值df = pd.DataFrame(np.arange(20).reshape(5, 4), index=list('ABCDE'), columns=list('wxyz'))print(df)# 阅读全文
posted @ 2020-01-16 17:40
子非鱼安知我命
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