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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 add_auth_args(parser, config):
 """Return a parser for configuring authentication parameters"""


    parser.add_argument('-p', '--provider', default=config.DEFAULT_PROVIDER)
    parser.add_argument('-u', '--userid', default=config.DEFAULT_USERID)
    parser.add_argument('-k', '--secret_key', default=config.DEFAULT_SECRET_KEY)
    return parser