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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 export_args(subparsers):
 """Add command line options for the export operation"""

    export_parser = subparsers.add_parser('export')
    export_parser.add_argument('directory',
                               help='Path where secrets will be exported into')
    secretfile_args(export_parser)
    vars_args(export_parser)
    base_args(export_parser)