"I suppose the idea is that everything will be in the downloaded file, so nothing depends on the local libraries on the target system.〔【出典】Gentoo Linux ◆【License】CC-BY-SA-2.5 ◆【編集】独立行政法人情報通信研究機構 〕
The + operator concatenates lists to create a new list. A list can contain any number of items; there is no size limit (other than available memory). However, if memory is a concern, you should be aware that list concatenation creates a second list in memory. In this case, that new list is immediately assigned to the existing variable a_list. So this line of code is really a two-step process -- concatenation then assignment -- which can (temporarily) consume a lot of memory when you're dealing with large lists.〔【出典】"Dive Into Python 3" by Mark Pilgrim ◆【和訳】Fukada & Fujimoto ◆【License】CC-BY-SA-3.0 〕
(1) Public Employment Security Offices and employment placement business providers shall accept all offers for registering as a job seeker; provided, however, that offers may be rejected if the contents of such offers violate any laws or regulations.〔【出典】日本法令外国語訳データベースシステム 〕