Web其實 while 和 do-while 的語法非常像，while 是會檢查條件是否成立，成立才執行下面的指令，而 do-while 則是先執行那些指令，再去檢查條件是否成立，所以至少會先執行一次。 下面範例的 do-while 迴圈將會印出1次test，由此可見此迴圈至少一定會執行1次 WebApr 26, 2024 · Python 中 while 循环的一般语法如下所示：. while condition: execute this code in the loop's body. 一个 while 循环将在一个条件为 True 时运行一段代码。. 它将一 …

do while循环，C语言do while循环详解 - C语言中文网

WebQQ在线，随时响应！. do…while 循环不经常使用，其主要用于人机交互。. 它的格式是：. 注意，while 后面的分号千万不能省略。. do…while 和 while 的执行过程非常相似，唯一的区别是：“do…while 是先执行一次循环体，然后再判别表达式”。. 当表达式为“真”时 ... Webdo-while迴圈（英語： do while loop ），也有稱do迴圈，是電腦 程式語言中的一種控制流程語句。 主要由一個代碼塊（作為迴圈）和一個表達式（作為迴圈條件）組成，表達式為布林(boolean)型。 迴圈內的代碼執行一次後，程式會去判斷這個表達式的返回值，如果這個表達式的返回值為「true」（即滿足迴 ... marketwatch carpool

while、do-while和for循环语句 - CSDN博客

WebThe while statement evaluates expression, which must return a boolean value. If the expression evaluates to true, the while statement executes the statement(s) in the while block. The while statement continues testing the expression and executing its block until the expression evaluates to false.Using the while statement to print the values from 1 … WebJun 6, 2024 · Here is the difference table: while. do-while. Condition is checked first then statement (s) is executed. Statement (s) is executed atleast once, thereafter condition is checked. It might occur statement (s) is executed zero times, If condition is false. At least once the statement (s) is executed. WebFeb 24, 2024 · The working of the do…while loop is explained below: When the program control first comes to the do…while loop, the body of the loop is executed first and then the test condition/expression is checked, unlike other loops where the test condition is checked first.Due to this property, the do…while loop is also called exit controlled or post-tested … navitas tablet used for