Radio Button in Tkinter

Tkinter/radioButton.py

@@ -0,0 +1,13 @@
+from tkinter import *
+
+def showresult():
+    print("Value of v is ",v.get())
+
+root = Tk()
+v = IntVar()
+Label(root, text="Choose a programming language:",justify = LEFT, padx = 20).grid(row=1)
+Radiobutton(root, text="Python", padx = 20, variable=v, value=0).grid(row=2)
+Radiobutton(root, text="Perl",   padx = 20, variable=v, value=1).grid(row=3)
+
+Button(root,text="Show Result",command=showresult).grid(row=4)
+root.mainloop()

Tkinter/radioButton_improved.py

@@ -0,0 +1,34 @@
+import tkinter as tk
+
+root = tk.Tk()
+
+v = tk.IntVar()
+v.set(1)  # initializing the choice, i.e. Python
+
+languages = [
+    ("Python",1),
+    ("Perl",2),
+    ("Java",3),
+    ("C++",4),
+    ("C",5)
+]
+
+def ShowChoice():
+    print(v.get())
+
+tk.Label(root, 
+         text="""Choose your favourite 
+programming language:""",
+         justify = tk.LEFT,
+         padx = 20).pack()
+
+for val, language in enumerate(languages):
+    tk.Radiobutton(root, 
+                  text=language,
+                  padx = 20, 
+                  variable=v, 
+                  command=ShowChoice,
+                  value=val).pack(anchor=tk.W)
+
+
+root.mainloop()