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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 node_from_ini(ini_file, nodefactory=Node, root_name='ini'):
 """ Convert a .ini file into a Node object. :param ini_file: a filename or a file like object in read mode """

    fileobj = open(ini_file) if isinstance(ini_file, str) else ini_file
    cfp = configparser.RawConfigParser()
    cfp.read_file(fileobj)
    root = nodefactory(root_name)
    sections = cfp.sections()
    for section in sections:
        params = dict(cfp.items(section))
        root.append(Node(section, params))
    return root