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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 element_href_by_batch(list_to_find, filter=None):
 # @ReservedAssignment """ Find batch of entries by name. Reduces number of find calls from calling class. :param list list_to_find: list of names to find :param filter: optional filter, i.e. 'tcp_service', 'host', etc :return: list: {name: href, name: href}, href may be None if not found """

    try:
        if filter:
            return [{k: element_href_use_filter(k, filter)
                     for k in list_to_find}]
        return [{k: element_href(k) for k in list_to_find}]
    except TypeError:
        logger.error("{} is not iterable".format(list_to_find))