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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 execute(self, mold_id, data, wrapper_tag='div'):
 """ Execute a mold `mold_id` by rendering through ``env``. This is done using its default template, with data provided as dict. This returns the wrapped content, which contains the bits that the client-side on-load script trigger will execute the index.js defined for this mold; if this is not desired, simply call the render method instead. """


        template = self.load_mold(mold_id)

        kwargs = {}
        kwargs.update(data)
        kwargs['_nunja_data_'] = 'data-nunja="%s"' % mold_id
        kwargs['_template_'] = template
        kwargs['_wrapper_tag_'] = wrapper_tag

        return self._core_template_.render(**kwargs)