from tkinter import *
root = Tk()
i = IntVar()
r1 = Radiobutton(root, text="option 1", value=1, variable=i)
r2 = Radiobutton(root, text="option 2", value=2, variable=i)
"""
If both values where equal, when one of the buttons
are pressed all buttons would be pressed.
If a button is pressed its value is true, or 1.
If you want to acess the data from the
radiobuttons, use a if statment like
"""
if (i.get() ==1):
print("you picked option1")
else:
print("you picked option2")
r1.pack()
r2.pack()
root.mainloop()