Update hanoi.py - add window title, and start on top with focus

hanoi.py

@@ -18,6 +18,7 @@ gbl_pegs = []
 gbl_pegstate = [[], [], []]
 gbl_disks = []
 gbl_tkroot = tk.Tk()
+gbl_tkroot.title('Hanoi Tower')
 gbl_canvas = None
 gbl_ready = True
 
@@ -68,6 +69,8 @@ def setup_gui():
     gbl_canvas = tk.Canvas(gbl_tkroot, width=CANVAS_W, height=CANVAS_H)
     gbl_canvas.pack()
     btn_start.focus_set()
+    gbl_tkroot.lift()
+    gbl_tkroot.focus_force()
 
     def change_speed(*args):
         global gbl_speed, gbl_step