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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_filepaths(self, filepaths):
 """ helps iterate through all the file parsers each filter is applied individually to the same set of `filepaths` """

        if self.file_filters:
            plugin_filepaths = set()
            for file_filter in self.file_filters:
                plugin_paths = file_filter(filepaths)
                plugin_filepaths.update(plugin_paths)
        else:
            plugin_filepaths = filepaths

        return plugin_filepaths