code: def _set_attr(self, **kwargs):
          
          keys = c_str_array(kwargs.keys())
          vals = c_str_array([str(s) for s in kwargs.values()])
          num_args = mx_uint(len(kwargs))
          check_call(_LIB.MXSymbolSetAttrs(
              self.handle, num_args, keys, vals))
docs: Set the attribute of the symbol.
  
          Parameters
          ----------
          **kwargs
              The attributes to set