<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def environment_args(subparsers):
 """Add command line options for the environment operation"""

    env_parser = subparsers.add_parser('environment')
    env_parser.add_argument('vault_paths',
                            help='Full path(s) to secret',
                            nargs='+')
    env_parser.add_argument('--prefix',
                            dest='prefix',
                            help='Old style prefix to use when'
                            'generating secret key names')
    export_arg(env_parser)
    mapping_args(env_parser)
    base_args(env_parser)