How to use the onnxruntime.capi._pybind_state.get_available_providers function in onnxruntime

def set_providers(self, providers):
        """
        Register the input list of execution providers. The underlying session is re-created.

        :param providers: list of execution providers

        The list of providers is ordered by Priority. For example ['CUDAExecutionProvider', 'CPUExecutionProvider'] means
        execute a node using CUDAExecutionProvider if capable, otherwise execute using CPUExecutionProvider.
        """
        if not set(providers).issubset(C.get_available_providers()):
            raise ValueError("{} does not contain a subset of available providers {}".format(providers, C.get_available_providers()))
        self._reset_session()
        self._load_model(providers)