code: def version(self):
          
  
          resp = self.call('version')
  
          for key in ('rpc_version', 'store_version'):
              resp[key] = int(resp[key])
  
          return resp
docs: Returns the node's RPC version
  
          :raises: :py:exc:`nano.rpc.RPCException`
  
          >>> rpc.version()
          {
              "rpc_version": 1,
              "store_version": 10,
              "node_vendor": "RaiBlocks 9.0"
          }