摘要:
import pandas as pd import numpy as np df = pd.DataFrame(np.arange(15).reshape(5, 3), columns=['a', 'b', 'c']) # 输出df: a b c 0 0 1 2 1 3 4 5 2 6 7 8 3 阅读全文
posted @ 2020-01-04 15:56
jaysonteng
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