A tuple, however, is immutable.
然而，tuple是不可变的。
Listing 2. The for loop and a tuple.
清单2.for循环和tuple。
A is initialized with a tuple containing a and a _paras list.
用包含和_ paras列表的元组进行了初始化。
Each row of this table is a tuple consisting of the group name and user ID.
这个表中的每一行是一个由组名和用户ID组成的二元组。
Listing 1 USES a tuple of int, char, and float and prints the contents.
清单1使用int、char和float的元组并打印内容。
The number of elements that can form a tuple is currently limited to 10.
能够形成元组的元素数量目前仅限于10个。
One common type of list is called a tuple, and as noted, it's immutable.
一种常用的列表类型是tuple，它是不可变的。
The final tuple, tc, used the actual class constructor to create a tuple.
最后一个tupletc使用了一个实际的类构造函数来创建tuple。
As you add more elements, creating a tuple structure becomes increasingly difficult.
随着您添加更多的元素，创建元组结构将变得越来越困难。
This sets the maximum potential size of a tuple which we will store in the cache.
这设置了将要存储在缓存中的元组的最大可能大小。
The first method creates a tuple that contains the sequence of integers from 0 to 9.
第一种方法是创建一个包含从0到9整数序列的tuple。
This example first creates a tuple named t that holds the integers 0 to 9, inclusive.
本例首先创建了名为t 的tuple，存放整数0至 9（包含 9）。
An assignment with a sequence on the right side and a tuple of variables on the left.
元组赋值：一种赋值语句，等号右侧用一个序列，左侧为一个变量构成的元组。
It's possible to create a tuple with temporary elements; the output from Listing 3 is (4 0).
可以创建具有临时元素的元组；清单3的输出为(40)。
Listing 2 demonstrates how to use a for loop to iterate through the elements of a tuple.
清单2演示了如何使用for循环迭代tuple的元素。
You also can create a tuple from a set of existing variables in a process called packing.
您还可以从称为打包的过程的一组现有变量中创建一个tuple。
It is going to give me back a tuple a collection of two things, and so check out the syntax.
它将给我返回一个数组或者系列的一对值，然后检查一下语法。
See how easy it is to create a tuple that can hold all kinds of items, including another tuple?
您会看到，创建可以拥有各种类型数据项（其中包括另一tuple）的 tuple是多么方便。
This converts the allocation into a tuple matching the move_resize method of class gtk.gdk.Window.
这将allocation转换成与类class gtk . gdk . Window的move_resize方法匹配的元组。
Python also has a concept of mutability and immutability: a tuple, for example, is an immutable list.
Python同时使用可变性和不变性的概念：举例来说，tuple就是一个不可变的列表。
The function can also return a value (or, more formally, an object), including a Python container like a tuple.
函数还可返回值(更为正式的说法是：对象)，包括像tuple这样的python容器。
Exempting the format string argument, all other arguments must be squeezed in with either a tuple or a dictionary.
除了格式化字符串参数，所有其他的参数都必须用一个元组(tuple)或是一个字典(dictionary)进行挤压。
This basically means that a tuple can hold different types of objects, but once it's created, it can't be changed.
这主要是说tuple可以存放不同类型的对象，但是它一旦创建，就无法更改。
In this case, I join together a sequence of single-character strings contained in a tuple using the colon character.
在本例中，使用冒号将tuple包含的由单个字符构成的字符串序列连接在一起。
You can create a tuple by simply assigning a sequence of objects, separated by commas, to a variable (see Listing 5).
您只需向变量分配一个用逗号分隔的对象序列，就可以创建一个tuple(参见清单5)。
When creating a tuple, the enclosing parentheses are often optional, but sometimes required, depending on the context.
在创建一个tuple时，括号通常是可选的，但有时是必需的，这取决于上下文。
The ROW data type can be equated to a table definition: it defines multiple columns that are grouped together into a tuple.
ROW数据类型可以等同于一个表定义：它定义可以组成一个元组的多个列。
In Listing 2, you can see that each element in a tuple can be of a different type, but the types in a list must be homogeneous.
在清单2中，可以看到tuple中的每个元素可以是不同类型的，但列表中的元素必须是相同类型的。
The thing to notice about this wrapper is that each generator/coroutine yields a tuple that contains its intended branch destination.
关于这个包装器要注意的一点是，每个生成器／协同程序都会生成一个包含它的预期分支目标的元组。
The contents of a tuple do not all have to be the same type, but one special construct is of a tuple where the first value is an atom.
一个元组的内容不必都是相同类型的。元组的构造很特殊，其中的第一个值为原子值。
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