def current(cls) -> Coverage | None:
        """Get the latest started `Coverage` instance, if any.

        Returns: a `Coverage` instance, or None.

        .. versionadded:: 5.0

        """
        if cls._instances:
            return cls._instances[-1]
        else:
            return None
Get the latest started `Coverage` instance, if any.

        Returns: a `Coverage` instance, or None.

        .. versionadded:: 5.0

        
coverage/control.py