def METHOD_NAME():
    assert str(cirq.SWAP) == 'SWAP'
    assert str(cirq.SWAP**0.5) == 'SWAP**0.5'
    assert str(cirq.ISWAP) == 'ISWAP'
    assert str(cirq.ISWAP**0.5) == 'ISWAP**0.5'
    assert str(cirq.ISWAP_INV) == 'ISWAP_INV'
    assert str(cirq.ISWAP_INV**0.5) == 'ISWAP**-0.5'