最方便的视频提取文本工具，没有之一
微信小程序搜索“一键提文”，就可以找到，把B站、小红书、抖音、播客等主流网站的分享链接贴进去，过一会就提取出文本，还能直接保存成Word文档，很丝滑。
启动服务​brew services start mongodb/brew/mongodb-community启动并设置为开机自启
docker run -it --detach --name paddleocr \ -v $PWD:/paddle \ -p 9000:9000 \ paddlepaddle/paddle:latest
x.union(y) This method returns all the unique items that are present in the two sets, as a new set. x_set | y_set x.intersection(y) This method returns the common items that are present in two sets, as a new set. x_set & y_set difference_update () This method removes all the elements of 'set 2' common to 'set 1' in 'set1'. It updates 'set 1'. x.isdisjoint(y) This method returns True if two sets have null intersection. y.issubset(x) This method returns True for 'Set 2', if all the elements of 'Set 2' are present in 'Set 1' x.issuperset(y) This method returns True for 'Set 1' if all the elements of Set 2 are present in 'Set 1'. x.add(e) It adds a single item to the set and updates the set. x.discard(e) It removes a single item from the set and updates it. x.pop () It pops and returns any arbitrary item from the set. x.copy () It creates a shallow copy of any set. x.clear() It clears all the items of the set.
len (x_dict)To know the number of key: value pairs in the dictionary.x_dict.keys ( )Returns all the 'keys' of dictionariesx_dict.values ( )Returns all the 'values' of dictionariesThe del statementIt is used for deleting any keys from the dictionary.x_dict.pop (key)It will pop a 'value' of the required key.sorted (x_dict)The dictionary will get sorted by its values.x_dict.clear ()Clears all the content of the dictionary
list.append (x)Add an item to the end of the list.list.extend (x)Extend the list by appending all the items at the end of the list.list.insert (i,x)Insert an item at any given position within the list. The first argument 'i', is the index of the item before which you want to insert something. To insert something at the beginning of the list, you may type list.insert (0,x)list.remove (x)Remove the first item from the list whose value is 'x'. It is an error if there is no such item.list.pop (i)Remove any item from any given position (index) in the list. If no index is specified, it removes and returns the last element from the list.list.index (x)It returns a zero-based index in the list of the first item whose value is x. Raises an error of there is no such item as 'x'.list.count (x)Returns the number of times 'x' appears in the listlist.reverse ()It reverses the items of the list.list.sort ()It sorts the items in the list.