Reformat a Python file to have 4 space indentations

Question

I\'m editing a Python file that uses two spaces for programmatic indents - I prefer 4 spaces. In my .vimrc I have the following settings related to indentation:

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Answer 1

try the following substitution command:

:%s/  /    /g

(To clarify: there are two spaces between the first and second '/' and four the second and third '/'.)

One helpful command when working with whitespace issues is also the set list command which will visually show all whitespace. Use set nolist to unset.