docstr: Return a list of *Symbol* instances for
  names in the table.
code: def get_symbols(self):
      """Return a list of *Symbol* instances for
      names in the table.
      """
      return [self.lookup(ident) for ident in self.get_identifiers()]
  
imports: import _symtable
  from _symtable import USE, DEF_GLOBAL, DEF_NONLOCAL, DEF_LOCAL, DEF_PARAM, DEF_IMPORT, DEF_BOUND, DEF_ANNOT, SCOPE_OFF, SCOPE_MASK, FREE, LOCAL, GLOBAL_IMPLICIT, GLOBAL_EXPLICIT, CELL
  import weakref
label_desc: Use image node_id 12 for calling the SymbolTable obj's underlying member method code with example usage: obj.get_symbols() and returns: unknown