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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 load_manifest(check_name):
 """ Load the manifest file into a dictionary """

    manifest_path = os.path.join(get_root(), check_name, 'manifest.json')
    if file_exists(manifest_path):
        return json.loads(read_file(manifest_path))
    return {}