<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def handle_stale(msg='', exceptions=None):
 """ Decorator to handle stale element reference exceptions. :param msg: Error message :param exceptions: Extra exceptions to handle :return: the result of the decorated function """

    exc = [StaleElementReferenceException]
    if exceptions is not None:
        try:
            exc.extend(iter(exceptions))
        except TypeError:  # exceptions is not iterable
            exc.append(exceptions)
    exc = tuple(exc)

    if not msg:
        msg = "Could not recover from Exception(s): {}".format(', '.join([e.__name__ for e in exc]))

    def wrapper(func):
        def exc_handler(*args, **kwargs):
            import time

            timeout = 10
            poll_freq = 0.5

            end_time = time.time() + timeout
            while time.time() <= end_time:
                try:
                    return func(*args, **kwargs)
                except exc:
                    time.sleep(poll_freq)
                    poll_freq *= 1.25
                    continue
            raise RuntimeError(msg)
        return exc_handler
    return wrapper