def insert(self, index = 0, *widgets):
        """insert widget in the sprites list at the given index.
        by default will prepend."""
        for widget in widgets:
            self._add(widget, index)
            index +=1 # as we are moving forwards
        self._sort()
def insert ( self , index = 0 , * widgets ) : for widget in widgets : self . _add ( widget , index ) index += 1 self . _sort ( )
insert widget in the sprites list at the given index.
        by default will prepend.