How to move the entire block of code to the left by two spaces when programming using Atom text editor?

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#1

During refactoring process, I came up with the following format.

Screenshot 2021-01-11 at 11.54.46
Screenshot 2021-01-11 at 11.54.461554×858 114 KB

I was wondering, is there any quick shortcut to move the entire block of code of the definition of the function processALine to the left by two spaces? Any comments are greatly appreciated.