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List comprehension is a syntactic construct available in some programming languages for creating a list based on existing lists. It follows the form of the mathematical set-builder notation (set comprehension) as distinct from the use of map and filter functions.
Python's is operator may be used to compare object identities (comparison by reference), and comparisons may be chained—for example, a <= b <= c. Python uses and, or, and not as Boolean operators. Python has a type of expression named a list comprehension, and a more general expression named a generator expression. [78]
List items should be formatted consistently in a list. Unless there is a good reason to use different list types in the same page, consistency throughout an article is also desirable. Use sentence case by default for list items, whether they are complete sentences or not. Sentence case is used for around 99% of lists on Wikipedia.
Example 15:10, 27 December 2024 (UTC) Things to include in your description: Identify the subject: Link to several major articles or lists within the scope of the proposed project. Show the subject is big enough: Link to categories within the scope of the proposed project.
The Zen of Python is a collection of 19 "guiding principles" for writing computer programs that influence the design of the Python programming language. [1] Python code that aligns with these principles is often referred to as "Pythonic". [2] Software engineer Tim Peters wrote this set of principles and posted it on the Python mailing list in ...
In 2024, we are changing the proposal process. We are trying to reduce the number of failed attempts to start groups. While we re-structure the pages, please do not propose any new groups. In the meantime, please consider two thousand existing projects and/or try to revive one of the many dormant WikiProjects. If your group can't wait for the ...
Aggregation differs from ordinary composition in that it does not imply ownership. In composition, when the owning object is destroyed, so are the contained objects. In aggregation, this is not necessarily true. For example, a university owns various departments (e.g., chemistry), and each department has a number of professors. If the ...
Currently, this project uses the Version 1.0 Editorial Team bot for article statistics. Therefore, it has become necessary for the project create a Custom mask for Quality class. The Custom mask for WikiProject Lists limits class to FL, List, and Stub for articles, and automatically changes incorrect class codes. Article statistics