diff --git a/bfs.py b/bfs.py
index 2ad1305cf1ff2543c27654edc8b69bef5a9bcf5e..8e1753e2c3361cca1a12dd8cb5fa6db4768934c2 100644
--- a/bfs.py
+++ b/bfs.py
@@ -23,7 +23,7 @@ class BFS:
 
     def get_neighbours(self, maze, i, j):
         neighbours = []
-        directions = [(0, 1), (1, 0), (0, -1), (-1, 0)]  # Right, Down, Left, Up
+        directions = [(0, 1), (1, 0), (0, -1), (-1, 0)]
 
         for direction in directions:
             ni, nj = i + direction[0], j + direction[1]
@@ -61,7 +61,7 @@ class BFS:
                 if neighbour not in self.visited:
                     self.queue.append(neighbour)
                     self.visited.add(neighbour)
-                    self.parent[neighbour] = current  # Update parent
+                    self.parent[neighbour] = current
 
         return False  # Goal not reached
 
diff --git a/config.py b/config.py
index cac273588ff35b6e128fe8bcace824be5c51e71b..6bee30da950283648fe9b8d6da21ac7bbfc79110 100644
--- a/config.py
+++ b/config.py
@@ -66,7 +66,8 @@ large_maze = [
 levels = [small_maze, medium_maze, large_maze]
 current_level = levels[0]
 player_model = pygame.Rect(TILE_SIZE, TILE_SIZE, TILE_SIZE, TILE_SIZE)
-tiles = [pygame.image.load('blank.png'), pygame.image.load('wall.png'), pygame.image.load('blank.png'), pygame.image.load('goal.png'), pygame.image.load('blank.png')]
+tiles = [pygame.image.load('blank.png'), pygame.image.load('wall.png'), pygame.image.load('blank.png'),
+         pygame.image.load('goal.png'), pygame.image.load('blank.png')]
 easy_button = pygame.image.load('button_easy.png').convert_alpha()
 normal_button = pygame.image.load('button_normal.png').convert_alpha()
 hard_button = pygame.image.load('button_hard.png').convert_alpha()
diff --git a/dfs.py b/dfs.py
index 38576ae8bf5d87a677577196aa4cbb42e4e8cdd5..b01cdd3b592dd32bd880ecb1545eccc400c85815 100644
--- a/dfs.py
+++ b/dfs.py
@@ -17,7 +17,7 @@ class DFS:
     """
     def get_neighbours(self, maze, i, j):
         neighbours = []
-        directions = [(0, 1), (1, 0), (0, -1), (-1, 0)]  # Right, Down, Left, Up
+        directions = [(0, 1), (1, 0), (0, -1), (-1, 0)]
 
         for direction in directions:
             ni, nj = i + direction[0], j + direction[1]
diff --git a/playerController.py b/playerController.py
index bcef6f14b2565240fdddc47dbea5a46469e76576..dfb71842f4e38f1810d69545ab6439c334453a4f 100644
--- a/playerController.py
+++ b/playerController.py
@@ -173,7 +173,7 @@ class PlayerController:
                     self.player.x, self.player.y = new_x, new_y
 
                     pygame.display.flip()
-                    pygame.time.delay(100)  # Introduce a delay for visualization
+                    pygame.time.delay(100)
 
     """
     Draws the path on the screen for visualization.