例如，在最简单的 if 语句中嵌套 if else 语句，形式如下：实际上，“使用for循环遍历数组的最简单方法...
The continue statement skips the current iteration of the loop and continues with the next iteration. For example, languages = ['Swift', 'Python', 'Go', 'C++'] for lang in languages: if lang == 'Go': continue print(lang) Run Code Output Swift Python C++ Here, when lang is equal ...
使用string和tuple的时候也可以这样子for loop 遍历。这是非常符合代码直觉的,因为遍历的都是有序的对象。然而我们使用字典的时候,无序的对象我们依然能够进行for loop遍历。 因为for loop要求对象是一个可迭代的对象(iterable)。 it=iter(fruits)print(next(it))#打印fruits[0]print(next(it))#打印fruits[1]pri...
This is where a nested for loop works better. The first loop (parent loop) will go over the words one by one. The second loop (child loop) will loop over the characters of each of the words. words=["Apple","Banana","Car","Dolphin"]forwordinwords:#This loop is fetching word from...
1. 在 for 语句内部对列表 ["You", "are", "awesome!"] 调用了 iter() 方法,返回结果是一个迭代器。 2. 然后对迭代器调用 next() 方法,并将其返回值赋给变量 word。 3. 之后,会执行 for 循环中关联的语句块。这个例子中是打印 word。
Review: Python’s for loop Python 中的 for 循环不是传统的 for 循环。为了解释我的意思,我们来看一下其他语言的 for 循环是怎么写的。 这是一个用 JavaScript 写的传统的 C 风格的 for 循环: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
All of them support iteration, and you can feed them into a for loop. In the next sections, you’ll learn how to tackle this requirement in a Pythonic way.Sequences: Lists, Tuples, Strings, and RangesWhen it comes to iterating over sequence data types like lists, tuples, strings, ...
也可以使用 next() 函数：创建一个迭代器 StopIteration 二、while循环嵌套 2.1 应用场景 2.2 语法 ...
forxinfruits: ifx =="banana": break print(x) Try it Yourself » The continue Statement With thecontinuestatement we can stop the current iteration of the loop, and continue with the next: Example Do not print banana: fruits = ["apple","banana","cherry"] ...
IT=It_name(2)#创建迭代器对象print("Work in for-Loop:")foriinIT:print(i)#===#ouput__init__():2Workinfor-Loop:__iter__()__next__():3__next__():4__next__():5__next__():6__next__():StopIteration 可迭代对象使用For循环 第一步:判断是否为可迭代对象(...