import tkinter
from tkinter import *
root = Tk()
v = IntVar()
calcs = [ ('+', 1),
('-', 2),
('*', 3),
('/', 4),
]
for calc, num in calcs:
    # 设置单选框，用来显示运算符
    Radiobutton(text = calc,variable =v,value=num).grid(row=num-1, column=1)
root.mainloop()

运行后的界面是？