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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_instance(self, payload):
 """ Build an instance of StyleSheetInstance :param dict payload: Payload response from the API :returns: twilio.rest.autopilot.v1.assistant.style_sheet.StyleSheetInstance :rtype: twilio.rest.autopilot.v1.assistant.style_sheet.StyleSheetInstance """

        return StyleSheetInstance(self._version, payload, assistant_sid=self._solution['assistant_sid'], )