What is the structure of python list derivation

The main content of this article is to explain "what is the structure of python list derivation". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "what is the structure of python list derivation"?

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 Python used to do what Python is mainly used to:

1. Web development

2. Data science research

3. Web crawler

4. Embedded application development

5. Game development

6. Desktop application development.

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