What is the structure of python list derivation

This article introduces the relevant knowledge of "what is the deductive structure of python list". 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!

1. The list-derived structure is contained in square brackets, an expression, followed by a for clause, followed by zero or more for or if clauses.

2. The result will be a new list that evaluates expressions based on the contents of the for and if clauses.

Example

From collections import Counter def filter_unique (lst): temp_list = [] for item, count in Counter (lst). Items (): if count > 1: temp_list.append (item) return temp_list # EXAMPLESfilter_unique ([1, 2, 2, 3, 4, 4, 5]) # [2, 4] "what is the structure of python list derivation" is introduced here, thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!