def net_label_styler(net_label: str) -> str:
    """Returns the stylised net_label to make CE unified and ET/Voyager less verbose.

    Assumes that ET's declared as 'ET_ET1','ET_ET2','ET_ET3' in network_spec.

    Args:
        net_label: Network label, e.g. 'A+_H..A+_L..V+_V..K+_K..A+_I'.
    """
    return (
        net_label.replace("CE2", "CE")
        .replace("ET_ET1..ET_ET2..ET_ET3", "ET_E")
        .replace("Voyager", "Voy")
    )