from Tkinter import *

def fun():
	print 'Hello'

root = Tk()
b = Button(root, text='Button1', command=fun)
b.grid(row=0, column=0)
l = Label(root, text='Hello', fg='red')
l.grid(row=1, column=0)
e = Entry(root)
e.grid(row=1, column=1)
root.mainloop()