;; For example, set the default tab width to 4 spaces
(setq-default tab-width 4)
;; For Python mode, set the indentation style
(add-hook 'python-mode-hook
          (lambda ()
            (setq indent-tabs-mode nil) ; Use spaces instead of tabs
            (setq python-indent-offset 4) )) ; Set the indentation offset
;; For JavaScript mode, set the indentation style
(add-hook 'js-mode-hook
          (lambda ()
            (setq indent-tabs-mode nil) ; Use spaces instead of tabs
            (setq js-indent-level 4))) ; Set the indentation offset
;; For HTML mode, set the indentation style
(add-hook 'html-mode-hook
          (lambda ()
            (setq indent-tabs-mode nil) ; Use spaces instead of tabs
            (setq js-indent-level 4))) ; Set the indentation offset