Created a line in the title by creating a function and moving the turtle foward and back. I took out the squiggle function.

Checkpoint 3: Yes I do think I will use docstrings as it will help me provide space to write explain the meaning of the code along with what it is doing. They can be very useful.

tile_grid.py

@@ -10,7 +10,7 @@ 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.)
+    (You give it a grid width, height, size(length) and function that does the drawing. It draws tiles goes to the left moves up a row and repeats all the rows from the height and width. The turtle then ends at the starting point.)
     """
     for y in range(height):
         for x in range(width):