print(cuisine) 系统输出: 蒸羊羔 蒸鹿尾 烧花鸭 烧雏鸡 烧子鹅 以上我们利用for循环实现了不同的功能。 下面着重介绍一个在for loop中循环使用else语句的例子。else 中的语句会在循环正常执行完的情况下执行。 三、把else语句放进for loop 例5:我们写一个简单的奇数偶数判别代码: 输入: for i in list(range(10,
好吧,所以我是 python 的新手,对一个数字有点困惑,我无法理解它来自哪里,数字是 2,我理解其他数字为什么以及如何循环和增加,但我只是不明白在哪里2个来自。 这是代码: for a in range(5): print(i) for i in range(3): print(a) 这是输出。 2 0 0 0 2 1 1 1 2 2 2 2 2 3 3 3 2 4...
In computer science, a for-loop (or simply for loop) is a control flow statement for specifying iteration, which allows code to be executed repeatedly。(作用:介绍了for循环是什么?) A for-loop has two parts: a header specifying the iteration, and a body which is executed once per iteration...
In Python, theforloop is used to iterate over a sequence such as alist, string,tuple, other iterable objects such asrange. With the help offorloop, we can iterate over each item present in the sequence and executes the same set of operations for each item. Using aforloops in Python we...
>>> a = [0,1,2,3,0,0,3] >>> for item in a : print item a.remove(...
一、Python介绍级应用方向 二、Python 特性 三、hello world 程序 四、Python 格式化输出 五、变量、数据类型、注释 六、表达式if...else 七、表达式while loop 八、表达式for loop 一、Python介绍及应用方向 python的创始人为吉多·范罗苏姆(Guido van Rossum)。
Pythonfor 循环语句 Python for循环可以遍历任何序列的项目,如一个列表或者一个字符串。 语法: for循环的语法格式如下: foriterating_varinsequence:statements(s) 流程图: 实例: 实例 #!/usr/bin/python# -*- coding: UTF-8 -*-forletterin'Python':# 第一个实例print("当前字母: %s"%letter)fruits=['...
What is the for loop in Python? The for loop is one of the most well-known programming constructs. Let’s look at it using a concrete example from everyday life. Say that a teacher wants to calculate the average height of her students. First she’ll ask each student in turn what th...
ExampleGet your own Python Server Print each fruit in a fruit list: fruits = ["apple","banana","cherry"] forxinfruits: print(x) Try it Yourself » Theforloop does not require an indexing variable to set beforehand. Looping Through a String ...
Notice how the range function will automatically increment the i counter. The loop iterates through all values of i from 0 to 4, which correspond to a range of 5. In python programming, the counting starts from 0, not from 1. The range function generates numbers automatically. ...