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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 annotated_dataset_path(cls, project, dataset, annotated_dataset):
 """Return a fully-qualified annotated_dataset string."""

        return google.api_core.path_template.expand(
            "projects/{project}/datasets/{dataset}/annotatedDatasets/{annotated_dataset}",
            project=project,
            dataset=dataset,
            annotated_dataset=annotated_dataset,
        )