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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 get_service_id_list() -> List[tuple]: """Return list of Services."""

    keys = DB.get_keys('states*')
    services = []
    for key in keys:
        values = key.split(':')
        if len(values) == 4:
            services.append(':'.join(values[1:]))
    return services