Comment Code Section In Vim

For Commenting code in Vim

• First, go to the first line you want to comment, press Ctrl V. This will put the editor in the VISUAL BLOCK mode.
• Then using the arrow key and select until the last line
• Now press ShiftI, which will put the editor in INSERT mode and then press #. This will add a hash to the first line.
• Then press Esc (give it a second), and it will insert a # character on all other selected lines.

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