


Detailed explanation of the data structure of linked list in python
The following editor will bring you an example explanation of the linked list of python data structure. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look.
In programs, it is often necessary to manage and use a group of data elements (usually of the same type) as a whole. To create such an element group, use Variables record them, pass them in and out of functions, etc. The number of elements contained in a set of data may change (elements can be added or deleted).
For this requirement, the simplest solution is to regard such a set of elements as a sequence, and use the position and order of the elements in the sequence to represent something meaningful in actual applications. information, or represent some relationship between data.
We can abstract the organization form of a set of sequence elements into a linear list. A linear table is a collection of elements of a certain type and records a sequential relationship between elements. Linear tables are one of the most basic data structures and are widely used in practical programs. They are often used as the basis for the implementation of more complex data structures.
According to the actual storage method of the linear table, it is divided into two implementation models:
Sequential table, which stores elements sequentially in a In a block-contiguous storage area, the sequential relationship between elements is naturally represented by their storage order.
Linked list stores elements in a series of storage blocks constructed through links.
Why a linked list is needed:
The construction of the sequence table requires knowing the data size in advance to apply for continuous storage space before expanding Data migration is required from time to time, so it is not very flexible to use. The linked list structure can make full use of computer memory space and achieve flexible dynamic memory management.
Definition of linked list:
Linked list (pnked pst) is a common basic data structure, a linear table, but It does not store data continuously like a sequence table, but stores the position information (i.e. address) of the next node in each node (data storage unit).
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