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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 update(self, **kwargs):
 """ Update an current User via a PUT request. Returns True if success. :Example: client.user.update(firstName="John", lastName="Doe", company="TextMagic") :param str firstName: User first name. Required. :param str lastName: User last name. Required. :param str company: User company. Required. """

        response, instance = self.request("PUT", self.uri, data=kwargs)
        return response.status == 201