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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 render(self, name, value, attrs=None, **kwargs):
 """ Extend base class's `render` method by appending javascript inline text to html output. """

        output = super(Select2Mixin, self).render(
            name, value, attrs=attrs, **kwargs)
        id_ = attrs['id']
        output += self.render_js_code(
            id_, name, value, attrs=attrs, **kwargs)
        return mark_safe(output)