How to annotate all in pycharm at once
Through the shortcut key Ctrl / or the menu option "Code > Comment with Line Comment", you can quickly comment all selected codes in PyCharm. The methods include: 1. Select the code to be commented; 2. Press the shortcut key above or select a menu option.
How to comment all code at once in PyCharm
In PyCharm, you can use shortcut keys or menu options to quickly comment all selected code.
Shortcut key method:
- Select all codes to be commented.
- Press
Ctrl
/
(Windows/Linux) orCmd
/
(Mac).
Menu option method:
- In the menu bar, select "Code" > "Comment with Line Comment".
Detailed steps:
- Open the Python file to be commented.
- Use your mouse or keyboard shortcuts (such as
Shift
↑/↓
) to select the block of code you want to comment. - Use one of the above methods to annotate.
PyCharm will automatically add the # symbol before the selected line of code:
<code># 原始代码 print("Hello, world!") # 注释后的代码 # print("Hello, world!")</code>
Tip:
- If you want to comment out multiple lines of code, use the
Shift
key or mouse to select them. - You can also use the
Ctrl
/
shortcut key to uncomment selected code. - If you are using Windows, you may need to use the
Fn
/
key combination as the/
keys may be assigned to other functions.
The above is the detailed content of How to annotate all in pycharm at once. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

Golang is more suitable for high concurrency tasks, while Python has more advantages in flexibility. 1.Golang efficiently handles concurrency through goroutine and channel. 2. Python relies on threading and asyncio, which is affected by GIL, but provides multiple concurrency methods. The choice should be based on specific needs.

Running Python code in Notepad requires the Python executable and NppExec plug-in to be installed. After installing Python and adding PATH to it, configure the command "python" and the parameter "{CURRENT_DIRECTORY}{FILE_NAME}" in the NppExec plug-in to run Python code in Notepad through the shortcut key "F6".

Golang and Python each have their own advantages: Golang is suitable for high performance and concurrent programming, while Python is suitable for data science and web development. Golang is known for its concurrency model and efficient performance, while Python is known for its concise syntax and rich library ecosystem.

Although Notepad cannot run Java code directly, it can be achieved by using other tools: using the command line compiler (javac) to generate a bytecode file (filename.class). Use the Java interpreter (java) to interpret bytecode, execute the code, and output the result.

Python is highly favored for its simplicity and power, suitable for all needs from beginners to advanced developers. Its versatility is reflected in: 1) Easy to learn and use, simple syntax; 2) Rich libraries and frameworks, such as NumPy, Pandas, etc.; 3) Cross-platform support, which can be run on a variety of operating systems; 4) Suitable for scripting and automation tasks to improve work efficiency.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.
