Highlight the code you want to comment out, then C-x-r-t # To un-comment the code: highlight, then C-x-r-k. I use this all-day, every day. (Assigned to hot-keys, of course.) This and powerful regex search/replace is the reason I tolerate Emacs's other "eccentricities".

Apr 9, 2022 · Among other answers, I find the easiest way is to use the IDE comment functions which use the Python comment support of #. I am using Anaconda Spyder and it has: Ctrl + 1 - Comment/uncomment; Ctrl + 4 - Comment a block of code; Ctrl + 5 - Uncomment a block of code; It would comment/uncomment a single/multi line/s of code with #. I find it the ...

Dec 14, 2019 · Read about using docstrings in your Python code. As per the Python docstring conventions: The docstring for a function or method should summarize its behavior and document its arguments, return value(s), side effects, exceptions raised, and restrictions on when it can be called (all if applicable). Optional arguments should be indicated.

Sep 26, 2022 · All you need to do is select that code block with your mouse, then press the following key combination: Ctrl + K then press Ctrl + C if you’re using Windows Command + K then press Command + C if you’re on a Mac. You can also use: Ctrl + / to comment and uncomment lines of Python code on Windows.

After getting the big + sign by depressing the Alt key, do NOT select all the text in the block of code you want to comment out !! Just drag the pointer down the thin left edge of the text, selecting the beginning of the line in each of the lines in the block.

Apr 15, 2016 · Yes, there is a shortcut for commenting out lines in Python 3.6 (Spyder). For Single Line Comment, you can use Ctrl+1. It will look like this #This is a sample piece of code. For multi-line comments, you can use Ctrl+4. It will look like this. #===== \#your piece of code \#some more code \#===== Note : \ represents that the code is carried to ...

Apr 3, 2019 · If you know what block of code you want to switch on and off, and it's more or less a large one, here is a handy trick to handle this: //* // [Large block of code - ACTIVE] //*/ To switch it on (i.e. comment it out in the fancier way to say it), just remove the backslash at the beginning of the very first line, like so:

Apr 1, 2010 · Highlight your block with: ShiftV. Comment the selected block out with: :norm i# (lower case i) To uncomment, highlight your block again, and uncomment with: :norm ^x. The :norm command performs an action for every selected line. Commenting will insert a # at the start of every line, and uncommenting will delete that #.

May 30, 2011 · To make the comment of a block, it is a sequence of keys: Ctrl-K + Ctrl+C and to un-comment Ctrl-K + Ctrl-U. Here are some other very useful keys for Python: Share

Feb 8, 2022 · This heavily depends on where you're writing your python code. If you're writing it in Notepad, there won't be a shortcut for commenting a line. However, if you use an IDE, you will probably have such capability alongside the ability to change the shortcut. Just search Google for keyboard shortcuts for your preferred IDE.