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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:
 def settings_view_decorator(function):
 """Insert decorator from settings, if any. .. note:: Decorator in ``CLOUD_BROWSER_VIEW_DECORATOR`` can be either a callable or a fully-qualified string path (the latter, which we'll lazy import). """


    dec = settings.CLOUD_BROWSER_VIEW_DECORATOR

    # Trade-up string to real decorator.
    if isinstance(dec, str):
        # Split into module and decorator strings.
        mod_str, _, dec_str = dec.rpartition('.')
        if not (mod_str and dec_str):
            raise ImportError("Unable to import module: %s" % mod_str)

        # Import and try to get decorator function.
        mod = import_module(mod_str)
        if not hasattr(mod, dec_str):
            raise ImportError("Unable to import decorator: %s" % dec)

        dec = getattr(mod, dec_str)

    if dec and callable(dec):
        return dec(function)

    return function