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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 _parse_list(element, definition):
 """Parse xml element by definition given by list. Find all elements matched by the string given as the first value in the list (as XPath or @attribute). If there is a second argument it will be handled as a definitions for the elements matched or the text when not. :param element: ElementTree element :param definition: definition schema :type definition: list :return: parsed xml :rtype: list """

    if len(definition) == 0:
        raise XmlToJsonException('List definition needs some definition')

    tag = definition[0]
    tag_def = definition[1] if len(definition) > 1 else None

    sub_list = []

    for el in element.findall(tag):
        sub_list.append(xml_to_json(el, tag_def))

    return sub_list