Of course, in either case, you can have more than one except clause, how- ever the syntax requires at least one except clause and both the else and finally clauses are optional.
当然，无论如何，你都可以有不止一个的except子句，但最少有一个except语句，而else和finally都是可选的。A，B，C和D是程序。
If all expressions are false, the suite of the else clause, if present, is executed.
如果所有表达式都为假，并且给出了 else 子句，那么将执行它包括的语句序列。
It may occur within an except or else clause.
这可能发生于 except 或 else 子句中。
Is even an optional else clause for situations where code needs to run only when no exceptions are detected.
你也可以添加一个可选的 else 子句处理没有探测到异常的时执行的代码。
The else clause on lines 11–12 takes care of this case.
如果循环递减到 1 还没有找到约束，那么这个数一定是素数。
The else: clause determines what to do if have_posts is false.
其它的 ：字句决定了如果有_文章是假的，应该执行什么。
All fines made with us unjustly and against the law of the land, and all amercements, imposed unjustly and against the law of the land, shall be entirely remitted, or else it shall be done concerning them according to the decision of the five and twenty barons whom mention is made below in the clause for securing the peace, or according to the judgment of the majority of the same, along with the aforesaid Stephen, archbishop of Canterbury, if he can be present, and such others as he may wish to bring with him for this purpose, and if he cannot be present the business shall nevertheless proceed without him, provided always that if any one or more of the aforesaid five and twenty barons are in a similar suit, they shall be removed as far as concerns this particular judgment, others being substituted in their places after having been selected by the rest of the same five and twenty for this purpose only, and after having been sworn.
一切非法科处之不正当的罚金和处罚，即应完全免除；或者，由下文确保和平条所规定的二十五名男爵裁定免除；或者，依据二十五名男爵多数意见及前述坎特伯雷大主教斯蒂芬及其为此所召随员共同裁定处理，如大主教不能到场，相关事宜的处理不受影响；前述二十五名男爵中，如有人自身涉及此类讼案，则裁处该案时应回避，由二十五名男爵其余诸位选举人员入替，经宣誓后审理该案。注：本条见于1215年最初的版本，后来版本无。
There are a couple changes from Python: for and while now take an else clause that gets called if the loop is never evaluated.
有两个和python不同的更改：for 和 while 现在获得 else 子句，它将在从未执行循环体内代码时执行。
Does the obvious; the else clause is optional.
这很明显； else 子句是可选的。
The %else clause is optional, as is the %elif clause.
else从句是可选的，%elif从句也一样。
The solution provided is remarkably simple: you add an extra if statement to the else clause.
提供的解决方案非常简单：给else子句添加一个额外的if语句。
At this point, the break statement causes program execution to break out of the while loop, skipping the else clause.
此时，break语句导致程序执行中断while循环，跳转到else子句。
The else clause is never executed, so nothing is printed out until you explicitly use a separate print statement.
else子句永远不被执行，所以直到显式使用print语句之前不会输出任何东西。
IF/THEN/ELSE logic is fertile ground for figuring out how to use WHERE clause predicates so rows can be rejected sooner in DB2's address space.
IF/THEN/ELSE逻辑是搞清楚如何使用WHERE子句谓词的良好基础，因此在DB2地址空间中行能够被快速拒绝。
The if statement supports an optional else clause that indicates a block of program statements that should be processed if the Boolean expression evaluates False.
if语句支持一个可选的else子句，指示当布尔表达式计算为False时应该处理的程序语句块。
One special feature of the break statement is that it breaks completely out of the loop, thereby skipping any else clause that follows the loop.
break语句的一个特殊特性是，它完全中断循环，并跳转到循环下面的任一个else子句。
The while loop, as was the case with the if statement, supports an optional else clause containing a block of program statements executed when the expression is False.
while循环与if语句一样，支持一个可选的else子句，其中包含一个当表达式计算为False时执行的程序语句块。
Traditionally, the Java language has always made the else clause of an if optional, assuming that you can simply skip the block of code if the condition holds false.
传统上，Java语言对if的else子句的使用是随意的，并且假定如果条件出错，可以只跳过代码块。
Ceylon also ensures (at compile time) that the switch statement contains an exhaustive list of instance tests or, at a minimum, an else clause to provide complete coverage.
Ceylon还确认（在编译时）switch语句包含详尽的实例测试列表，至少包含else子句，从而提供完整的覆盖范围。
Once the code has iterated over all the elements in the tuple, it enters the else clause of the for loop, which prints out the value of the count variable.
一旦代码已经迭代了tuple中的所有元素，它将进入for循环的else子句，打印count变量的值。