def initialize_cells(x=w, y=w, w=20):
maze = Maze(maze_width, maze_height, w)
a = 0
for i in range(w, maze_height + w, w):
for j in range(w, maze_width + w, w):
cell = Cell(j,
i,
w,
maze_height=maze_height,
maze_width=maze_width,
id=a)
maze.add_cell(cell)
a += 1
return maze
