pandas.Index.get_loc

Index.get_loc(key)[source]

Get integer location, slice or boolean mask for requested label.

Parameters:
key:label
Returns:
int if unique index, slice if monotonic index, else mask

Examples

>>> unique_index = pd.Index(list('abc'))
>>> unique_index.get_loc('b')
1
>>> monotonic_index = pd.Index(list('abbc'))
>>> monotonic_index.get_loc('b')
slice(1, 3, None)
>>> non_monotonic_index = pd.Index(list('abcb'))
>>> non_monotonic_index.get_loc('b')
array([False,  True, False,  True])

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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/2.3.0/reference/api/pandas.Index.get_loc.html