The Python programming language does not have a built in switch/case control structure as found in many other high level programming languages. It is thought by some that this is a deficiency in the language, and the control structure should be added. This paper demonstrates that not only is...
不过,之所以会出现这种情况,也许跟他的预设立场有关:他似乎认为“Python is fine without a switch statement”,因此尽管写了很长的 PEP,但只是在把问题复杂化,把议题搁置起来。最后,他在 PyCon 上做了一个小范围调查,借此“名正言顺”地拒绝了自己发起的 PEP,试图堵住众人的悠悠之口……4、未来会有 s...
This works with lambdas as well, for inline calculations. Here’s a switch statement that assigns to a variable inPHP: switch($value) {case'a':$result=$x*5;break;case'b':$result=$x+7;break;case'c':$result=$x-2;break; } And here’s the equivalent code in Python: result = {'...
上面的代码可以把 if 换成 switch。大多数语言都有 switch 语法,除了 Python 语言会强迫你自己写字典...
Python is a versatile and powerful programming language that offers a multitude of features and functionalities. However, one thing that might surprise newcomers to the language is that Python does not have a built-in switch statement like other popul
Avant Python 3.10, les développeurs Python devaient utiliser plusieurs instructions if-elif-else ou des dictionnaires pour simuler la fonctionnalité de cas de commutation. Voici un exemple de baseutilisant le principe if-elif-else: day=input("Enter the day of the week: ").capitalize()ifday...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?stackoverflow.com/questions/17166074/most-efficient-way-of-making-an-if-elif-elif-else-statement-when-the-else-is-don 专栏信息 专栏主页:python编程 专栏目录:目录 版本说明:软件及包版本说明 ...
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switchx.(type){casetype:statement(s);casetype:statement(s);/* 你可以定义任意个数的case */default:/* 可选 */statement(s);} 代码语言:javascript 代码运行次数:0 运行 AI代码解释 packagemainimport"fmt"funcmain(){varxinterface{}switchi:=x.(type){casenil:fmt.Printf(" x 的类型 :%T",i)...
For the longest time I’ve used the traditional if/else statements in a lot of my scripts and projects. As many of my scripts have been in Python lately, I’ve picked up a few more tricks I didn’t know existed. Recently I’ve needed to use a switch statement to do a different ...