Slice pandas multiindex dataframe using list of index values [duplicate]

Answer 1

Data:

L = ['abc', 'bcd']

print (df)
         text
uid  tid     
abc  x     t1
abc1 x     t1
bcd  y     t2

1.slicers

idx = pd.IndexSlice
df1 = df.loc[idx[L,:],:]

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2.boolean indexing + mask with get_level_values + isin:

df1 = df[df.index.get_level_values(0).isin(L)]

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3.query, docs:

df1 = df.query('@L in uid')

print (df1)
        text
uid tid     
abc x     t1
bcd y     t2