format code with autopep8

Game of Fifteen/Game_of_Fifteen.py

@@ -1,5 +1,6 @@
 import random
 
+
 def create_board():
     numbers = list(range(1, 16))
     random.shuffle(numbers)
@@ -8,31 +9,38 @@ def create_board():
     board = [numbers[i:i+4] for i in range(0, 16, 4)]
     return board
 
+
 def display_board(board):
     for row in board:
-        print(' | '.join(str(num).rjust(2) if num is not None else '  ' for num in row))
+        print(' | '.join(str(num).rjust(2)
+              if num is not None else '  ' for num in row))
         print('-' * 23)
 
+
 def get_empty_position(board):
     for i in range(4):
         for j in range(4):
             if board[i][j] is None:
                 return i, j
 
+
 def is_valid_move(move, empty_row, empty_col):
     row, col = move
     return (0 <= row < 4 and 0 <= col < 4 and
             (row == empty_row and abs(col - empty_col) == 1 or
-            col == empty_col and abs(row - empty_row) == 1))
+             col == empty_col and abs(row - empty_row) == 1))
+
 
 def make_move(board, move):
     empty_row, empty_col = get_empty_position(board)
     row, col = move
     board[empty_row][empty_col], board[row][col] = board[row][col], board[empty_row][empty_col]
 
+
 def check_win(board):
     return all(board[i][j] == i*4 + j + 1 for i in range(4) for j in range(4)) and board[3][3] is None
 
+
 def game_of_fifteen():
     board = create_board()
 
@@ -42,7 +50,8 @@ def game_of_fifteen():
 
     while not check_win(board):
         display_board(board)
-        move = input("Enter the number you want to move (1-15) or 'Q' to quit: ")
+        move = input(
+            "Enter the number you want to move (1-15) or 'Q' to quit: ")
 
         if move.lower() == 'q':
             print("Quitting the game...")
@@ -66,5 +75,6 @@ def game_of_fifteen():
     if check_win(board):
         print("Congratulations! You solved the puzzle.")
 
+
 if __name__ == "__main__":
     game_of_fifteen()