import easygui easygui.msgbox(‘this program converts fahrenheit to celsius‘) t=easygui.enterbox(‘type the T temperature in fahrenheit:‘) f=float(t) c=(f-32)*5.0/9 easygui.msgbox(‘this is‘+ str(c)+ ‘degrees celsius.‘)
原文：http://huzhongliang.blog.51cto.com/1817180/1890436