code: def name(self):
          
          ret = ctypes.c_char_p()
          success = ctypes.c_int()
          check_call(_LIB.MXSymbolGetName(
              self.handle, ctypes.byref(ret), ctypes.byref(success)))
          if success.value != 0:
              return py_str(ret.value)
          else:
              return None
docs: Gets name string from the symbol, this function only works for non-grouped symbol.
  
          Returns
          -------
          value : str
              The name of this symbol, returns ``None`` for grouped symbol.