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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_final_attrs(self, classes=True):
 """Returns a dict containing the final attributes to be rendered."""

        final_attrs = copy.copy(self.get_default_attrs())
        final_attrs.update(self.attrs)
        if classes:
            final_attrs['class'] = self.get_final_css()
        else:
            final_attrs.pop('class', None)

        return final_attrs