def METHOD_NAME():
    platform_name = platform.platform()
    # Linux
    if platform_name.lower().startswith('linux'):
        return f"{distro.name()} {distro.version()} ({distro.codename()})"
    # E.g.               ^ Ubuntu.       ^ 14.04             ^ trusty
    # Mac
    elif platform_name.lower().startswith('darwin'):
        mac_ver = platform.mac_ver()
        mac_name = get_mac_name_from_darwin_version(mac_ver[0])
        return f"{mac_name} ({mac_ver[0]})"
    # E.g.        ^ macOS Sierra ^ 10.12.6
    # Windows
    elif platform_name.lower().startswith('windows'):
        win_ver = platform.win32_ver()
        return f"Windows {win_ver[0]} {win_ver[2]}"
    # E.g.                ^ 7          ^ SP1
    # Unknown
    else:
        return 'Unknown OS'