from tkinter import *
root = Tk()
root.title('Sexo')
root.geometry('250x300')
checkGroup = LabelFrame(root, text = "Sexo", padx=10, pady=10)
checkGroup.place(relx=0.3,rely=0.25)
var = IntVar()
Radiobutton(checkGroup, text='Feminino', variable=var, value=1).pack()
Radiobutton(checkGroup, text='Masculino', variable=var, value=2).pack(anchor=W)
root.mainloop()
Tkinter LabelFrame (exemplo de tkinter Demo)
