# Tk_Radiobutton2list.py

# Tk_Radiobutton2list.py

from Tkinter import *

features = ['a', 'b', 'c', 'd']
master = Tk()
row = 0
mappe = {}
v = {}

def saver(each):
    print(each, v[each].get())
    mappe[each] = v[each].get()
    print mappe

MODES = [ ("String", "str"), ("Number","num")]

for each in features:

    if row >4 :
        continue

    Label(master, text=each).grid(row=row, column=0)
    v[each] = StringVar()
    v[each].set("default")
    col = 1

    for text, mode in MODES:
        Radiobutton(master, text=text, variable=v[each],value = mode, command=lambda feature=each: saver(feature)).grid(row=row,column=col)
        col+=1

    row += 1

master.mainloop()