# -*- coding: utf-8 -*-
import tkinter as tk
import tkinter.ttk as ttk
root = tk.Tk()
root.title("tk31.py")
root.geometry("300x150")
#####################################
leftLF = tk.LabelFrame(root, text = "Left LabelFrame", bg = 'lightgreen')
leftLF.pack(side = tk.LEFT, fill = tk.BOTH, expand = True)
leftLb = tk.Label(leftLF, text = 'Left Label').pack()

rightLF = ttk.LabelFrame(root, text = "right LabelFrame", labelanchor = tk.NE)
rightLF.pack(side = tk.LEFT, fill = tk.BOTH, expand = True)
rightLb = tk.Label(rightLF, text = 'Right Label').pack()
#####################################
root.mainloop()