code: def test_createc():
      Qgate = CreateCGate("Q")
      assert str(Qgate([1], 0)) == "C((1),Q(0))"
  
file_path: sympy/sympy/physics/quantum/tests/test_circuitplot.py
imports: from sympy.physics.quantum.circuitplot import labeller, render_label, Mz, CreateOneQubitGate, CreateCGate
  from sympy.physics.quantum.gate import CNOT, H, SWAP, CGate, S, T
  from sympy.external import import_module
  from sympy.testing.pytest import skip
label_desc: Use image node_id 4 for calling a global function with example usage: test_createc() without return types