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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 system_info(data):
    '''
    Helper method to return parsed system_info
    from the 'show version' command.
    '''
    if not data:
        return {}
    info = {
        'software': _parse_software(data),
        'hardware': _parse_hardware(data),
        'plugins': _parse_plugins(data),
    }
    return {'nxos': info}