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:

1. Select all codes to be commented.
2. PressCtrl/(Windows/Linux) orCmd/(Mac).

Menu option method:

1. In the menu bar, select "Code" > "Comment with Line Comment".

Detailed steps:

1. Open the Python file to be commented.
2. Use your mouse or keyboard shortcuts (such asShift↑/↓) to select the block of code you want to comment.
3. Use one of the above methods to annotate.

PyCharm will automatically add the# symbol before the selected line of code:

# 原始代码 print("Hello, world!") # 注释后的代码 # print("Hello, world!")

Tip:

• If you want to comment out multiple lines of code, use theShiftkey or mouse to select them.
• You can also use theCtrl/shortcut key to uncomment selected code.
• If you are using Windows, you may need to use theFn/key combination as the/keys may be assigned to other functions.

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