code: def test_anticommutator():
      ac = AComm(A, B)
      assert isinstance(ac, AComm)
      assert ac.is_commutative is False
      assert ac.subs(A, C) == AComm(C, B)
  
file_path: sympy/sympy/physics/quantum/tests/test_anticommutator.py
imports: from sympy.core.numbers import Integer
  from sympy.core.symbol import symbols
  from sympy.physics.quantum.dagger import Dagger
  from sympy.physics.quantum.anticommutator import AntiCommutator
  from sympy.physics.quantum.operator import Operator
label_desc: Use image node_id 1 for calling a global function with example usage: test_anticommutator() without return types