(self)
return Options([i for i in list(self.items())
                                if i[0] in Options.versatileOptions()])
return the subset of those options that are settable at any
        time.

        Settable options are in `versatileOptions()`, but the
        list might be incomlete.
return the subset of those options that are settable at any
        time.
return the subset of those options that are settable at any time .
def settable(self):
        """return the subset of those options that are settable at any
        time.

        Settable options are in `versatileOptions()`, but the
        list might be incomlete.

        """
        return Options([i for i in list(self.items())
                                if i[0] in Options.versatileOptions()])
def settable ( self ) : return Options ( [ i for i in list ( self . items ( ) ) if i [ 0 ] in Options . versatileOptions ( ) ] )