tuple一般在中文中称为元组，或者说n元组。就是由n个元素组成的一种有序数据结构（当然n是不小于零的整数）。不同的编程语言对元组有不同实现，但既然标签打的Python，那就只谈 …

Sep 9, 2014 · A tuple is a good way to pack multiple values into that cookie without having to define a separate class to contain them. I try to be judicious about this particular use, though.

A tuple is a sequence of immutable Python objects. Tuples are sequences, just like lists. The differences between tuples and lists are, the tuples cannot be changed unlike lists and tuples …

Jun 4, 2010 · Named tuple instances can be referenced using object-like variable dereferencing or the standard tuple syntax. They can be used similarly to struct or other common record …

Tuples are compared position by position: the first item of the first tuple is compared to the first item of the second tuple; if they are not equal (i.e. the first is greater or smaller than the …

Have you assigned the name 'tuple' as a variable name? it should work fine. L is a list and we want to convert it to a tuple. L = [1, 2, 3] tuple (L) By invoking tuple, you convert the list (L) into …

May 24, 2013 · I have some object.ID-s which I try to store in the user session as tuple. When I add first one it works but tuple looks like (u'2',) but when I try to add new one using mytuple = …

Jan 3, 2017 · Yes, I understand tuples are immutable but the situation is such that I need to insert an extra value into each tuple. So one of the items is the amount, I need to add a new item …

Apr 5, 2012 · Note: This is asking for the reverse of the usual tuple-to-array conversion. I have to pass an argument to a (wrapped c++) function as a nested tuple. For example, the following …

Apr 15, 2009 · This answer fails to distinguish the different meanings of the term "tuple" by default in mathematics (ordered) vs in relational database contexts (unordered name-value pair sets).