Method set_index

pandas/core/frame.py:6802–6810

(
        self,
        keys,
        *,
        drop: bool = ...,
        append: bool = ...,
        inplace: Literal[False] = ...,
        verify_integrity: bool | lib.NoDefault = ...,
    )

    @overload
    def set_index(
        self,
        keys,
        *,
        drop: bool = ...,
        append: bool = ...,
        inplace: Literal[False] = ...,
        verify_integrity: bool | lib.NoDefault = ...,
    ) -> DataFrame: ...

    @overload
    def set_index(