问emacs窗口在当前缓冲区中运行python程序，并在输出窗口上显示输出。

EN

Debugger entered--Lisp error: (void-function smart-operator-mode-on)
     (smart-operator-mode-on)
     (lambda nil (set-variable (quote py-indent-offset) 4) 
      (set-variable (quote indent-tabs-mode) nil) (define-key py-mode-map (kbd "RET")  (quote newline-and-indent)) (smart-operator-mode-on))()
      run-hooks(python-mode-hook)
     (if python-mode-hook (run-hooks (quote python-mode-hook)) (run-hooks (quote py-mode-hook)))   python-mode()

 (autoload 'python-mode "python-mode" "Python Mode." t)
 (add-to-list 'auto-mode-alist '("\\.py\\'" . python-mode))
 (add-to-list 'interpreter-mode-alist '("python" . python-mode))

  (require 'python-mode)
  (add-hook 'python-mode-hook
    (lambda ()
(set-variable 'py-indent-offset 4)
;(set-variable 'py-smart-indentation nil)
(set-variable 'indent-tabs-mode nil)
(define-key py-mode-map (kbd "RET") 'newline-and-indent)
;(define-key py-mode-map [tab] 'yas/expand)
;(setq yas/after-exit-snippet-hook 'indent-according-to-mode)
(smart-operator-mode-on)
))