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This article introduces the knowledge of "what is the role of the container of Python". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

I believe that people who learn Python all know the containers of Python, and they also have some understanding of Python containers. The containers commonly used in Python are meta-ancestors, collections, dictionaries and lists, so what are their functions? The editor will help you sort it out.

1, meta-ancestor: and the list is similar, but once the meta-ancestor can not be modified once initialized, there is no append (), insert () and other methods to obtain elements and the list is the same, you can normally use tupe [0], tupe [- 1], can not be assigned into another element, its role can be mainly reflected for the function to return multiple return values.

2. Collection: any type of data can be stored, there will be no duplicate data in the collection, the basic function includes member detection and elimination of duplicate elements, and collection objects also support mathematical operations such as union, intersection, difference, symmetrical difference, and so on.

3. Dictionary: dictionary is another variable container type, and can store any type of object. The function of dictionary can be interpreted as that there is a mapping relationship between things in many cases.

4. List: list is an ordered collection in which elements can be added and removed at any time. The role of lists can be summarized as managing multiple variables, storing and managing multiple data.

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