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- >>> df = pd.DataFrame(np.ones((10, 3)), columns=list("ABC"))
- >>> df.index = pd.MultiIndex.from_product([range(5), list("AB")])
- >>> df
- A B C
- 0 A 1.0 1.0 1.0
- B 1.0 1.0 1.0
- 1 A 1.0 1.0 1.0
- B 1.0 1.0 1.0
- 2 A 1.0 1.0 1.0
- B 1.0 1.0 1.0
- 3 A 1.0 1.0 1.0
- B 1.0 1.0 1.0
- 4 A 1.0 1.0 1.0
- B 1.0 1.0 1.0
- >>> values = ["B", "A"]
- >>> idx = pd.IndexSlice
- >>> subset = df.loc[idx[:, values], values]
- >>> subset
- B A
- 0 A 1.0 1.0
- B 1.0 1.0
- 1 A 1.0 1.0
- B 1.0 1.0
- 2 A 1.0 1.0
- B 1.0 1.0
- 3 A 1.0 1.0
- B 1.0 1.0
- 4 A 1.0 1.0
- B 1.0 1.0
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