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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 similarity_lookup(self, ResponseGroup="Large", **kwargs):
 """Similarty Lookup. Returns up to ten products that are similar to all items specified in the request. Example: """

        response = self.api.SimilarityLookup(
            ResponseGroup=ResponseGroup, **kwargs)
        root = objectify.fromstring(response)
        if root.Items.Request.IsValid == 'False':
            code = root.Items.Request.Errors.Error.Code
            msg = root.Items.Request.Errors.Error.Message
            raise SimilartyLookupException(
                "Amazon Similarty Lookup Error: '{0}', '{1}'".format(
                    code, msg))
        return [
            AmazonProduct(
                item,
                self.aws_associate_tag,
                self.api,
                region=self.region
            )
            for item in getattr(root.Items, 'Item', [])
        ]