Method count

Lib/collections/__init__.py:1501–1504

(self, sub, start=0, end=_sys.maxsize)

        return self.__class__(self.data.center(width, *args))

    def count(self, sub, start=0, end=_sys.maxsize):
        if isinstance(sub, UserString):
            sub = sub.data
        return self.data.count(sub, start, end)

    def removeprefix(self, prefix, /):
        if isinstance(prefix, UserString):