import tkinter as tkdef btn1_change_btn1(event):    '''方式一：通过事件控制自己'''    if event.widget['state'] == 'normal':        event.widget['state'] = 'disabled'    elif event.widget['state'] == 'disabled':        #event.widget['state'] = 'normal'        passdef btn2_change_btn1():    '''方式二：直接点名，控制别的按钮'''    if btn1['state'] == 'normal':        btn1['state'] = 'disabled'    elif btn1['state'] == 'disabled':        btn1['state'] = 'normal'    root = tk.Tk()btn1 = tk.Button(root, text='REOOT', fg="blue", state=tk.DISABLED, width=12, height=1)btn1.pack()btn2 = tk.Button(root, text='TEST', fg="blue", state='normal', width=12, height=1, command=btn2_change_btn1)btn2.pack()btn1.bind('
     
      ', btn1_change_btn1)root.mainloop()