I profiled the code with and without the type hint. The encoding time dropped from 31µs to 4µs.
"How far back in time can you understand English?", a post that tells a story starting with the English of 2000 AD and ending with the English of 1000 AD has gone viral, and gotten a lot of people interested in older forms of English.
，更多细节参见夫子
def save(self, item: Item) - None:。搜狗输入法下载对此有专业解读
30元一颗黑草莓、200元一斤手指柠檬、800元一个粉菠萝……春节期间，许多消费者发现，一批身价不菲的水果悄然现身电商平台。令人惊讶的是，不少商品已经显示“缺货”，说明不少人愿意为这份“新奇”买单。