pandas.Index.slice_indexer

Index.slice_indexer(start=None, end=None, step=None)

For an ordered Index, compute the slice indexer for input labels and step

Parameters:

start : label, default None

If None, defaults to the beginning

end : label, default None

If None, defaults to the end

step : int, default None

Returns:

indexer : ndarray or slice

Notes

This function assumes that the data is sorted, so use at your own peril