create tk5

Author: Mofan Zhou

tkinterTUT/tk5_radiobutton.py

@@ -0,0 +1,33 @@
+# View more python learning tutorial on my Youtube and Youku channel!!!
+
+# Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg
+# Youku video tutorial: http://i.youku.com/pythontutorial
+
+import tkinter as tk
+
+window = tk.Tk()
+window.title('my window')
+window.geometry('200x200')
+
+var = tk.StringVar()
+l = tk.Label(window, bg='yellow', width=20, text='empty')
+l.pack()
+
+def print_selection():
+    l.config(text='you have selected ' + var.get())
+
+r1 = tk.Radiobutton(window, text='Option A',
+                    variable=var, value='A',
+                    command=print_selection)
+r1.pack()
+r2 = tk.Radiobutton(window, text='Option B',
+                    variable=var, value='B',
+                    command=print_selection)
+r2.pack()
+r3 = tk.Radiobutton(window, text='Option C',
+                    variable=var, value='C',
+                    command=print_selection)
+r3.pack()
+
+
+window.mainloop()