#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# Copyright (c) 2015 Jérémie DECOCK (http://www.jdhp.org)

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

# See: http://effbot.org/tkinterbook/labelframe.htm

import tkinter as tk

def main():
    """Main function"""

    root = tk.Tk()

    frame = tk.LabelFrame(root, text="Hello", padx=5, pady=5)
    frame.pack(fill=tk.X, padx=10, pady=10)

    label1 = tk.Label(frame, text="Hello, world!")
    label1.pack()

    label2 = tk.Label(frame, text="Hello, world!")
    label2.pack()

    root.mainloop()

if __name__ == '__main__':
    main()

Add a snippet (Tkinter).