<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def inputs_outputs(self):
 """Get information on method inputs & outputs."""

        r = fapi.get_inputs_outputs(self.namespace, self.name,
                                    self.snapshot_id, self.api_url)
        fapi._check_response_code(r, 200)
        return r.json()