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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def retry_on_exception(num_retries, base_delay=0, exc_type=Exception):
 """If the decorated function raises exception exc_type, allow num_retries retry attempts before raise the exception. """

    def _retry_on_exception_inner_1(f):
        def _retry_on_exception_inner_2(*args, **kwargs):
            retries = num_retries
            multiplier = 1
            while True:
                try:
                    return f(*args, **kwargs)
                except exc_type:
                    if not retries:
                        raise

                delay = base_delay * multiplier
                multiplier += 1
                log("Retrying '%s' %d more times (delay=%s)" %
                    (f.__name__, retries, delay), level=INFO)
                retries -= 1
                if delay:
                    time.sleep(delay)

        return _retry_on_exception_inner_2

    return _retry_on_exception_inner_1