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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, new_email_address, name, custom_fields, resubscribe, consent_to_track, restart_subscription_based_autoresponders=False):
 """Updates any aspect of a subscriber, including email address, name, and custom field data if supplied."""

        validate_consent_to_track(consent_to_track)
        params = {"email": self.email_address}
        body = {
            "EmailAddress": new_email_address,
            "Name": name,
            "CustomFields": custom_fields,
            "Resubscribe": resubscribe,
            "ConsentToTrack": consent_to_track,
            "RestartSubscriptionBasedAutoresponders": restart_subscription_based_autoresponders}
        response = self._put("/subscribers/%s.json" % self.list_id,
                             body=json.dumps(body), params=params)
        # Update self.email_address, so this object can continue to be used
        # reliably
        self.email_address = new_email_address