Index objects — pandas 1.3.5 documentation
pandas.pydata.org › pandas-docs › stableReturn if the index is monotonic decreasing (only equal or decreasing) values. Index.is_unique. Return if the index has unique values. Index.has_duplicates. Check if the Index has duplicate values. Index.hasnans. Return if I have any nans; enables various perf speedups. Index.dtype. Return the dtype object of the underlying data. Index.inferred ...