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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 server_enable(s_name, **connection_args):
    '''
    Enables a server globally

    CLI Example:

    .. code-block:: bash

        salt '*' netscaler.server_enable 'serverName'
    '''
    ret = True
    server = _server_get(s_name, **connection_args)
    if server is None:
        return False
    if server.get_state() == 'ENABLED':
        return True
    nitro = _connect(**connection_args)
    if nitro is None:
        return False
    try:
        NSServer.enable(nitro, server)
    except NSNitroError as error:
        log.debug('netscaler module error - NSServer.enable() failed: %s', error)
        ret = False
    _disconnect(nitro)
    return ret