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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 off(device):
    '''
    Turns off the quota system

    CLI Example:

    .. code-block:: bash

        salt '*' quota.off
    '''
    cmd = 'quotaoff {0}'.format(device)
    __salt__['cmd.run'](cmd, python_shell=False)
    return True