There are only two: the record for each line is now a dictionary rather than a hash, and the subsequent accesses to elements of each record use named lookups instead of numeric indexing.

只有两处：各行的记录现在是一个字典，而不是一个哈希表，每个记录的元素的后续访问使用已命名的查询，而不是数值索引。

youdao

There are only two: the record for each line is now a dictionary rather than a hash, and the subsequent accesses to elements of each record use named lookups instead of numeric indexing.

只有两处：各行的记录现在是一个字典，而不是一个哈希表，每个记录的元素的后续访问使用已命名的查询，而不是数值索引。

youdao