For Checkpoint 3 I added in the coordinates used for the

code. To me, this provided more information for thereader.

I thinkI would use docstrings. They are helpful because they put what the code does info
"laymans" terms.

tile_grid.py

@@ -10,8 +10,10 @@ from tile import fly
 def draw_tile_grid(width, height, tile_size, tile_function):
     """Draws a (width x height) grid, with tile_function drawn on each tile.
 
-    (Your explanation here.)
+    Draws a (width x height) grid using x, y coordinates, with tile_function drawn on each
+          tile )
     """
+    
     for y in range(height):
         for x in range(width):
             tile_function(tile_size)