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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 get_default_sticker_id(self):
 """ Gets the default sticker for that content type depending on the requested size. :return: An sticker ID as string """

        size = self.request.get('size', '')
        if size == 'small':
            return self.sample_type.getDefaultSmallSticker()
        return self.sample_type.getDefaultLargeSticker()