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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 register(parser):
 """Register commands with the given parser."""

    cmd_machines.register(parser)
    cmd_machine.register(parser)
    cmd_allocate.register(parser)
    cmd_deploy.register(parser)
    cmd_commission.register(parser)
    cmd_release.register(parser)
    cmd_abort.register(parser)
    cmd_mark_fixed.register(parser)
    cmd_mark_broken.register(parser)
    cmd_power_off.register(parser)
    cmd_power_on.register(parser)
    cmd_ssh.register(parser)