class_docstr: Symbol is symbolic graph.
code: def __del__(self):
      check_call(_LIB.NNSymbolFree(self.handle))
      self._alive = False
  
file_path: mxnet/python/mxnet/_ctypes/symbol.py
imports: import ctypes
  from ..base import _LIB
  from ..base import c_str_array, c_handle_array, c_str, mx_uint
  from ..base import SymbolHandle
  from ..base import check_call
label_desc: Use image node_id 2 for calling the SymbolBase obj's underlying member method code with example usage: obj.__del__() without return types