challenge-6-ok

birdie.py

@@ -13,6 +13,9 @@ def draw():
     screen.blit('background', (0, 0))
     titi.draw()
 
+def on_mouse_down():
+    titi.speed += 1
+
 def update():
     titi.x += titi.speed
     if titi.left > WIDTH :