窗口中有一个按钮，初始显示“确定”，单击按钮在“确定”和“取消”间切换

Question

窗口中有一个按钮，初始显示“确定”，单击按钮在“确定”和“取消”间切换

Answer 1

from tkinter import *
#pack_forget() 删除指定控件
win = Tk()
win.title('切换')
def change():
b.pack()
b2.pack_forget()
def change2():
b2.pack()
b.pack_forget()
b = Button(win,text="取消",command = change2)
b2 = Button(win,text='确定',command=change)
b2.pack()
win.mainloop()