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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 createService(self, createServiceParameter, description=None, tags="Feature Service", snippet=None):
 """ The Create Service operation allows users to create a hosted feature service. You can use the API to create an empty hosted feaure service from feature service metadata JSON. Inputs: createServiceParameter - create service object """

        url = "%s/createService" % self.location
        val = createServiceParameter.value
        params = {
            "f" : "json",
            "outputType" : "featureService",
            "createParameters" : json.dumps(val),
            "tags" : tags
        }
        if snippet is not None:
            params['snippet'] = snippet
        if description is not None:
            params['description'] = description
        res =  self._post(url=url,
                             param_dict=params,
                             securityHandler=self._securityHandler,
                             proxy_port=self._proxy_port,
                             proxy_url=self._proxy_url)
        if 'id' in res or \
           'serviceItemId' in res:
            if 'id' in res:
                url = "%s/items/%s" % (self.location, res['id'])
            else:
                url = "%s/items/%s" % (self.location, res['serviceItemId'])
            return UserItem(url=url,
                            securityHandler=self._securityHandler,
                            proxy_url=self._proxy_url,
                            proxy_port=self._proxy_port)
        return res