# for i in range(1, 3, 2):
# cliff_circ.apply_gate('CZ', i, i + 1, gate_round=r)
#
# # final layer of hadamards
# for i in range(4):
# cliff_circ.apply_gate('H', i, gate_round=r + 1)
qc = QuantumCircuit(4)
param = random.randint(0, 5)
print(param)
if param == 0:
qc.id(0)
elif param == 1:
qc.H(0)
elif param == 2:
qc.s(0)
elif param == 3:
qc.x(0)
elif param == 4:
qc.y(0)
else:
qc.z(0)
qc.cx(0, 1)
qc.swap(1, 3)
cliff = Clifford(qc)
cliff_circ = cliff.to_circuit()
cliff_sf = StateFn(cliff_circ)
