如何检查文本小部件是否在 tkinter python 中被编辑?

How to check if text widget is edited in tkinter python?

我想了解如何检查 tkinter python 中的文本小部件是否已编辑。谁能帮帮我吗?提前致谢!

import tkinter as tk            

def text_edited(e):
    print('Current text:',t.get(1.0,tk.END))
    print(e.keysym, ' was pressed')

root=tk.Tk()                           
t=tk.Text(root)                        
t.pack()                         
t.bind('<Key>',text_edited)