<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def render_js_code(self, id_, *args, **kwargs):
 """Render html container for Select2 widget with options."""

        if id_:
            options = self.render_select2_options_code(
                    dict(self.get_options()), id_)
            return mark_safe(self.html.format(id=id_, options=options))
        return u''