Method index

src/py/_pyodide/_core_docs.py:1014–1019

Return first ``index`` at which ``value`` appears in the ``Array``. Raises :py:exc:`ValueError` if the value is not present.

(self, /, value: T, start: int = 0, stop: int = sys.maxsize)

        """Append object to the end of the list."""

    def index(self, /, value: T, start: int = 0, stop: int = sys.maxsize) -> int:
        """Return first ``index`` at which ``value`` appears in the ``Array``.

        Raises :py:exc:`ValueError` if the value is not present.
        """
        raise NotImplementedError

    def count(self, /, x: T) -> int:
        """Return the number of times x appears in the list."""