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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 recover_release_data(app_folder):
 """ Given the path to an app folder where an app was just built, return a dictionary containing the data emitted from running the buildpack's release script. Relies on the builder.sh script storing the release data in ./.release.yaml inside the app folder. """

    with open(os.path.join(app_folder, '.release.yaml'), 'rb') as f:
        return yaml.safe_load(f)