# tkinter_event.py


import tkinter
root = tkinter.Tk()

def onKeyDown(event):
    print("有键盘按键被按下:event=", event)
    print(event.keycode, event.keysym, event.char)

def onKeyUp(event):
    print("有键盘按键抬起!", event)

root.bind('<KeyPress>', onKeyDown)
root.bind('<KeyRelease>', onKeyUp)

def mouseDown(e):
    print("有鼠标按键按下在", e.x, e.y, e.x_root, e.y_root)
root.bind('<Button>', mouseDown)

def mouseUp(e):
    print("有鼠标按键抬起", e.x, e.y)
    if e.num == 2:
        print("中间键抬起!!!")
root.bind("<ButtonRelease>", mouseUp)

root.mainloop()