python的L2计算器是什么?答:self.master = master master.title("Calculator")创建显示屏 self.display = tk.Entry(master, width=20, font=('Arial', 16))self.display.grid(row=0, column=0, columnspan=4, padx=5, pady=5)创建数字按钮 self.create_button(1, 1, "1")self.create_button(1, 2, "2")self....