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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 _include_file(context, uri, calling_uri, **kwargs):
 """locate the template from the given uri and include it in the current output."""


    template = _lookup_template(context, uri, calling_uri)
    (callable_, ctx) = _populate_self_namespace(
                                context._clean_inheritance_tokens(),
                                template)
    callable_(ctx, **_kwargs_for_include(callable_, context._data, **kwargs))