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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 post(self, resource_path: str, data: dict, administration_id: int = None):
 """ Performs a POST request to the endpoint identified by the resource path. POST requests are usually used to add new data. Example: :param resource_path: The resource path. :param data: The data to send to the server. :param administration_id: The administration id (optional, depending on the resource path). :return: The decoded JSON response for the request. """

        response = self.session.post(
            url=self._get_url(administration_id, resource_path),
            json=data,
        )
        return self._process_response(response)