How to comment multiple lines Most code editors have a way to highlight multiple lines of code andcomment out all the selected lines at once: frommathimportsqrtdefis_prime(candidate):ifcandidate<2:returnFalseforninrange(2,candidate):ifcandidate%n==0:returnFalsereturnTrue# def is_prime(candidat...
how to plot multiple lines in python 如何plot multiple lines in Python 在数据可视化中,我们常常需要绘制多个线形。在Python中,有多种库可以帮助我们实现这一目标。本篇博客将会介绍如何使用matplotlib库来绘制多个线形。 首先,我们需要安装matplotlib库。如果你还没有安装这个库,可以使用以下命令进行安装: pip inst...
In Javascript, for instance, you can comment in two ways: #single-line /* multiple lines */ This is great for commenting out large blocks of code because you’re able to comment and uncomment code without having to go line by line. Inline comments are the most common types of comments....
Python also offers some convenient shortcuts for commenting code. These shortcuts are helpful when we want to temporarily disable or comment out a block of code during debugging or testing: We can comment out multiple lines of code by selecting them and then pressingCtrl+/(on Windows/Linux) ...
In this lesson, you’ll learn how to write comments in Python. You’ll see that comments are made by putting a “#” symbol before a desired comment. The lesson will also show you how to spread comments over multiple lines as well as how to write comments quickly in your editor using...
This will cause Python to ignore what you have written and instead treat it as if it were part of an existing statement. You can place your single-line comment anywhere on the line, or multiple lines if needed. Moreover, the only restriction is that there must be no whitespace between ...
Python Block Comment Method #2: Commenting Using Triple-Quoted String Literals An alternative method for commenting out multiple lines is to use triple-quoted string literals (''' ''' or """ """). While not officially block comments, these string literals are often used as such, especially...
Python编辑器,在Help菜单里找到了“IDLE Help”(如图1所示),是Python的IDLE和Shell中的菜单说明 图1 IDLE Help 一、文件(File)菜单 主要是在Python里编程过程中对于文件的新建、打开、保存等操作。 File menu (Shell and Edit
Python 编程思维第三版(二) 来源:allendowney.github.io/ThinkPython/ 译者:飞龙 协议:CC BY-NC-SA 4.0 6. 返回值 原文:allendowney.github.io/ThinkPython/chap06.html 在前面的章节中,我们使用了
>>> myvar = 3 >>> myvar += 2 >>> myvar 5 >>> myvar -= 1 >>> myvar 4 """This is a multiline comment. The following lines concatenate the two strings.""" >>> mystring = "Hello" >>> mystring += " world." >>> print mystring Hello world. # This swaps the variables ...