def METHOD_NAME():
    # Create a list of dictionaries where each key is "labels(n)"
    # and each value is a list containing a node label
    labels = "MATCH (n) RETURN distinct labels(n)"
    query = run_query(labels)
    data = query.data()
    label_list = []
    # Iterate through the list and dicitionaries to create a list
    # of node labels
    for dictionary in data:
        for key in dictionary:
            value = dictionary[key]
            value_string = value[0]
            label_list.append(value_string)
    return label_list