auto save

quiz.py

@@ -6,14 +6,15 @@ canvas = tkinter.Canvas(root, width=300, height=340, bg="lightblue")
 canvas.place(x=0, y=0)
 # ++++++++++++++++++++++++++++++++++++++++++++++++++++
 def func():
-    num = v.get()
+    num = a.get()
     print("你选择了：",num)
 
-v = tkinter.IntVar()
-rb1 = tkinter.Radiobutton(root,text='体育',value=1,variable=v,command=func)
-rb2 = tkinter.Radiobutton(root,text='美术',value=2,variable=v,command=func)
-rb3 = tkinter.Radiobutton(root,text='音乐',value=3,variable=v,command=func)
-rb4 = tkinter.Radiobutton(root,text='编程',value=4,variable=v,command=func)
+c = tkinter.IntVar()
+a = tkinter.IntVar()
+rb1 = tkinter.Radiobutton(root,text='体育',value=1,variable=a,command=func)
+rb2 = tkinter.Radiobutton(root,text='美术',value=2,variable=c,command=func)
+rb3 = tkinter.Radiobutton(root,text='音乐',value=3,variable=c,command=func)
+rb4 = tkinter.Radiobutton(root,text='编程',value=4,variable=c,command=func)
 # ++++++++++++++++++++++++++++++++++++++++
 rb1.place(x=50,y=50)
 rb2.place(x=50,y=100)