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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 async def traverse_settings(dev, module, settings, depth=0):
 """Print all available settings."""

    for setting in settings:
        if setting.is_directory:
            print("%s%s (%s)" % (depth * " ", setting.title, module))
            return await traverse_settings(dev, module, setting.settings, depth + 2)
        else:
            try:
                print_settings([await setting.get_value(dev)], depth=depth)
            except SongpalException as ex:
                err("Unable to read setting %s: %s" % (setting, ex))
                continue