1、For循环使用场景: (1)主要用来遍历/循环 序列、集合和字典 (2)循环使用 else 语句 在 python 中,for … else 表示这样的意思,for 中的语句和普通的没有区别,else 中的语句会在循环正常执行完(即 for 不是通过 break 跳出而中断的)的情况下执行,while … else 也是一样。 ** 2、while循环用法 ** ...
A. For loop is used for definite iterations while while loop is for indefinite iterations. B. For loop is faster than while loop. C. While loop can only be used with numbers while for loop can be used with any data type. D. There is no difference. ...
while loop can run indefinitely C. for loop is more complex D. none of the above 相关知识点: 试题来源: 解析 B。本题考查 for 循环和 while 循环的主要区别。while 循环可以根据条件无限运行,而 for 循环通常有明确的循环次数限制。选项 A 不准确,不能说 for 循环总是更快。选项 C 不准确,不一定...
because you wrote : "while t<40" which does not include the 40, it self. But "for" contains the upper bound, which is 40. In other word, your first loop is done 4000 times, however, the "for" loop runs 4001 times. This may be the main result of difference that you are lookin...
Unclassified [#IABV2_LABEL_PURPOSES#] [#IABV2_LABEL_FEATURES#] [#IABV2_LABEL_PARTNERS#] + 2 what is the difference between for loop and while loop in Javascript ? whileforloopvs 13th Jan 2021, 7:16 AM Vijayanathan Menakan + 6
341. 如果条件判断从来没有满足过,那么for循环和while循环将会执行0次,但是do-while循环会执行至少一次。52. for循环的变量在小括号当中定义,只有循环内部才可以使用。while循环和do-while循环初始化语句本来就在外面,所以出来循环之后还可以继续使用。6*/7publicclassDemo13LoopDifference {8publicstaticvoidmain(...
While condition: expression(block of code) Unlike thefor loop, thewhile loopdoesn’t iterate over a sequence. It uses the comparison operators and booleans for its condition. Let’s look at some examples to better understand how it is used. ...
We use FOR to iterate over a known range of values and WHILE to evaluate an expression. for (initialization; termination; increment) { statement(s) } while (expression) { statement(s) } The difference between WHILE and DO WHILE is that on WHILE it checks the condition first, than execute...
Rule #2: Always use the For Each loop when looping through a collection of objects such as the VBA Collection, VBA Dictionary and other collections To make it more simple consider using the For Each loop only when looping through a collection of objects. Related posts: VBA Do While Loop -...
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