tkiner将字典用在单选上

 from tkinter import *
 def printSelection():
     print(cities[int(var.get())])
     lab.config(text="你选择了"+cities[int(var.get())])

 root = Tk()
 root.title("tkiner将字典用在单选上")

 cities ={0:"西瓜",1:"苹果",2:"草莓",3:"香蕉",4:"菠萝"}

 var = IntVar()
 var.set(0)

 lab = Label(root,text="选择你喜欢的水果",fg="blue",bg="lightyellow",width=30)
 lab.pack()

 for val,city in cities.items():
     Radiobutton(root,text=city,variable=var,value=val,
                #位置1
                 command=printSelection).pack()
 root.mainloop()

#位置1 加入代码: indicatoron=0,width=30,