Is there anyway I could (for instance) select either multiple lines in visual mode or by using a range of lines and an ex ('colon') command and for that range comment out all the lines with a # to make them a "block … This is a feature request. This is different from Tab because Tab inserts a tab if pressed in the middle of a line and only works as indent line if the line is selected. If you have a latin keyboard without numpad or any without slash key, maybe you couldn't use the shortcut enabled in Pycharm to comment multiple lines (Ctrl+Slash). But I don't want the enumeration or bullet point list. Python uses spacing at the start of the line to determine when code blocks start and end. ctrl ] and ctrl [ are super common shortcuts to indent current line/block and unindent current line/block. Errors you can get are: Unexpected indent. repeat feature to do each line. Indentation cannot be split over multiple physical lines using backslashes; the whitespace up to the first backslash determines the indentation. I want a similar effect as desired in the question How to align multiple lines on same indent?. To change this shortcut, you must create a default keymap copy to edit it, just clicking on Copy … Cross-platform compatibility note: because of the nature of text editors on non-UNIX platforms, it is unwise to use a mixture of spaces and tabs for the indentation in a single source file. Sure, you can get all of those from outside PyCharm, but once you "get in the flow" of writing code, having all of these together really speeds up your development cycle. PyCharm really shines when your projects become bigger, but there is no reason you can't use it when working with 15 lines of code. Currently I go to the first line, go to insert mode then type # left-arrowdown-arrow and then I repeat that sequence, perhaps saving a few keystrokes by using the . If you've ever received text that was formatted in a skinny column with broken line breaks at the end of each line, like text from an email or copy and pasted text from a PDF column with spacing, word wrap, or line break problems then this tool is pretty darn handy. It always lines up the second or third lines of a reference under the name of the first author. I think this is called a "hanging indent", but I have been into the Style > bibliography > Layout and I have tried all the options for a hanging indent and not been able to arrive at the above arrangement. Indent dedent are handled by codemirror, we have plan for trying to get keymap configurable, but I doubt it will be in a short amount of time, and it might not spawn codemirror at first. You can remove line breaks from blocks of text but preserve paragraph breaks with this tool..