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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 export(self, exporter=None, force_stroke=False):
 """ Export this SWF using the specified exporter. When no exporter is passed in the default exporter used is swf.export.SVGExporter. Exporters should extend the swf.export.BaseExporter class. @param exporter : the exporter to use @param force_stroke : set to true to force strokes on fills, useful for some edge cases. """

        exporter = SVGExporter() if exporter is None else exporter
        if self._data is None:
            raise Exception("This SWF was not loaded! (no data)")
        if len(self.tags) == 0:
            raise Exception("This SWF doesn't contain any tags!")
        return exporter.export(self, force_stroke)