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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 get_zone():
    '''
    Displays the current time zone

    :return: The current time zone
    :rtype: str

    CLI Example:

    .. code-block:: bash

        salt '*' timezone.get_zone
    '''
    ret = salt.utils.mac_utils.execute_return_result('systemsetup -gettimezone')
    return salt.utils.mac_utils.parse_return(ret)