code: def difference(self, other):
      return self.__class__([val for val in self if val not in other])
  
imports: from collections import OrderedDict
  from collections.abc import MutableSet
  from typing import Any, Callable
  from .basic import Basic
  from .sorting import default_sort_key, ordered
  from .sympify import _sympify, sympify, _sympy_converter, SympifyError
  from sympy.core.kind import Kind
  from sympy.utilities.iterables import iterable
  from sympy.utilities.misc import as_int
label_desc: Use image node_id 10 for calling the OrderedSet obj's underlying member method code with example usage: obj.difference(other) and returns: self