# Tk_equal_length_widgets.py

# Tk_equal_length_widgets.py

from Tkinter import *

root = Tk()
root.geometry('300x100')

title = StringVar()
title.set('Text Area')
b = Button(root, width=30, bg='green', text='BUTTON')
b.pack(fill="x")
e = Entry(root, textvariable=title, width=30, bg='yellow')
e.pack(fill="x")
l = Label(root, width=30, bg='red', text='LABEL')
l.pack(fill="x")
t = Text(root, width=30)
t.pack(fill="x", expand=True)

root.mainloop()