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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 _filter_result(result, filter_functions=None):
 """ Filter result with given filter functions. :param result: an iterable object :param filter_functions: some filter functions :return: a filter object (filtered result) """

        if filter_functions is not None:
            for filter_func in filter_functions:
                result = filter(filter_func, result)
        return result