借用大佬的程序E1 = Entry(root, bd =5)E1.pack(side = RIGHT)s = E1.get()val = int(s)
如果有多个按钮，如何在按下一个按钮前，将前面按钮输入的值保留下来为后续计算做准备呢呢，求解答
http://www.cppcns.com/jiaoben/python/241454.html