Annotate multiple lines of Python code in vim

It is troublesome to annotate multiple lines of Python code in Vim, mainly by following several methods:

(1) Render the code that needs comments as a document string

(2) render the code that needs comments as a function

(3) Use Vim's own shortcut keys

We mainly use the third way, the following is the method of commenting and uncomment.

1. Multi-line Comment:  1. First press ESC to enter command line mode, press CTRL + V to enter the column (also known as block) mode;  2. Use the upper and lower keys at the beginning of the line to select multiple lines needing comments; 3. Press the keyboard (uppercase) "I" key to enter the insertion mode; 4.  Then enter the comment symbol ("//", "#", etc.); 5. Finally press the "ESC" key.
Note: After pressing the ESC key, will wait a moment to appear the comment, do not worry ~ ~ Time is very short 2. Delete Multiline Comment: 1.  First press ESC to enter command line mode, press CTRL + V to enter the column mode;  2. Select multiple lines to uncomment; 3. Press "X" or "D".
Note: If it is a "//" comment, it needs to be done twice, if it is a "#" comment, once

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Annotate multiple lines of Python code in vim