WebApr 5, 2024 · This results in shorter and simpler expressions when accessing chained properties when the possibility exists that a reference may be missing. It can also be helpful while exploring the content of an object when there's no known guarantee as to which properties are required. For example, consider an object obj which has a nested structure ... WebAug 14, 2010 · 18 Answers Sorted by: 254 You could say defaultdict is useful for settings defaults before filling the dict and setdefault is useful for setting defaults while or after filling the dict. Probably the most common use case: Grouping items (in unsorted data, else use itertools.groupby)

Chain Definition & Meaning Britannica Dictionary

WebSearch chained to a desk and thousands of other words in English Cobuild dictionary from Reverso. You can complete the definition of chained to a desk given by the English … Weboften attributive. Synonyms of chain. 1. a. : a series of usually metal links or rings connected to or fitted into one another and used for various purposes (such as support, restraint, … nihr brc oxford

Daisy chain Definition & Meaning Dictionary.com

Web2 days ago · A dictionary display is a possibly empty series of key/datum pairs enclosed in curly braces: ... Comparisons can be chained arbitrarily, e.g., x < y <= z is equivalent to x < y and y <= z, except that y is evaluated only once (but in both cases z is not evaluated at all when x < y is found to be false). WebOne can imagine the utility of having a simple Dictionary without the overhead of a HashTable. Perhaps, the number of anticipated entries is small. Perhaps, its … Webchain noun (CONNECTED THINGS) [ C ] a series of things of the same type connected in a line, or a series of people standing in a line: The synthetic polymer is a plastic composed … nihr briefing notes for researchers