table = gtk.Table(5, 4, True)
table.attach(gtk.Button("Cls"), 0, 1, 0, 1)
table.attach(gtk.Button("Bck"), 1, 2, 0, 1)
table.attach(gtk.Button("On"), 2, 3, 0, 1)
table.attach(gtk.Button("Close"), 3, 4, 0, 1)
table.attach(gtk.Button("7"), 0, 1, 1, 2)
table.attach(gtk.Button("8"), 1, 2, 1, 2)
table.attach(gtk.Button("9"), 2, 3, 1, 2)
table.attach(gtk.Button("/"), 3, 4, 1, 2)
table.attach(gtk.Button("4"), 0, 1, 2, 3)
table.attach(gtk.Button("5"), 1, 2, 2, 3)
table.attach(gtk.Button("6"), 2, 3, 2, 3)
table.attach(gtk.Button("*"), 3, 4, 2, 3)
table.attach(gtk.Button("1"), 0, 1, 3, 4)
table.attach(gtk.Button("2"), 1, 2, 3, 4)
table.attach(gtk.Button("3"), 2, 3, 3, 4)
table.attach(gtk.Button("-"), 3, 4, 3, 4)
table.attach(gtk.Button("0"), 0, 1, 4, 5)
table.attach(gtk.Button("."), 1, 2, 4, 5)
table.attach(gtk.Button("="), 2, 3, 4, 5)
table.attach(gtk.Button("+"), 3, 4, 4, 5)
直截了当，上图，忽略我那狗爬一样的书写吧。。。
就酱》。。。
原文：http://my.oschina.net/u/2003106/blog/371890