text: from Tkinter import *
  
  # This is a program that tests the placer geom manager
  
  def do_motion(event):
      app.button.place(x=event.x, y=event.y)
  
  def dothis():
      print('calling me!')
  
  def createWidgets(top):
      # make a frame. Note that the widget is 200 x 200
      # and the window containing is 400x400. We do this
      # simply to show that this is possible. The rest of the
      # area is inaccesssible.
      f = Frame(top, width=200, height=200, background='green')
  
      # place it so the upper left hand corner of
      # the frame is in the upper left corner of
      # the parent
      f.place(relx=0.0, rely=0.0)
  
      # now make a button
      f.button = Button(f, foreground='red', text='amazing', command=dothis)
  
      # and place it so that the nw corner is
      # 1/2 way along the top X edge of its' parent
      f.button.place(relx=0.5, rely=0.0, anchor=NW)
  
      # allow the user to move the button SUIT-style.
      f.bind('<Control-Shift-Motion>', do_motion)
  
      return f
  
  root = Tk()
  app = createWidgets(root)
  root.geometry("400x400")
  root.maxsize(1000, 1000)
  root.mainloop()
  