Pandas 教程

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import pandas as pd

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df = pd.DataFrame({"c1": [11, 21, 31],
                   "c2": [12, 22, 32],
                   "c3": [13, 23, 33]},
                  index=["r1", "r2", "r3"])

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df = pd.DataFrame([[11, 12, 13],
                   [21, 22, 23],
                   [31, 32, 33]],
                  index=['r1', 'r2', 'r3'],
                  columns=['c1', 'c2', 'c3'])

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pd.read_csv()

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df.dropna()
df.fillna(value)