pull

slidingpuzzle.py

+#sliding puzzle 
+import random
+
+class SlidePuzzle:
+    solved_board = [[1, 2, 3], [4, 5, 6], [7, 8, " "]]  # Final solved board
+
+    def __init__(self):
+        """
+        Create a new shuffled board when the object is created
+        """
+        self.board = self.shuffled_board()  
+
+    def print_board(self): 
+        """
+        Prints the current state of the board
+        """
+        for row in self.board:
+            print('_|_'.join(str(cell) for cell in row))
+
+    def find_empty_cell(self):
+        """
+        Finds the position of the empty cell in the board
+        """ 
+        for i, row in enumerate(self.board):
+            for j, cell in enumerate(row):
+                if cell == " ":
+                    return i, j
+
+    def shuffled_board(self):
+        """
+        Creates a new shuffled board by randomly shuffling numbers
+        """  
+        board = [1, 2, 3, 4, 5, 6, 7, 8, " "]
+        random.shuffle(board)
+        return [board[i:i+3] for i in range(0, len(board), 3)]
+
+    def is_solved(self):
+        """ 
+        Checks if the current board is the solved board or not
+        """ 
+        return self.board == SlidePuzzle.solved_board
+
+    def move(self, direction):
+        """
+        Moves the empty cell in the given direction if it is valid. Otherwise, it prints an error message.
+        """
+        empty_cell = self.find_empty_cell()
+        i, j = empty_cell
+
+        if direction == "up" and i > 0:
+            self.board[i][j], self.board[i-1][j] = self.board[i-1][j], self.board[i][j]
+        elif direction == "down" and i < 2:
+            self.board[i][j], self.board[i+1][j] = self.board[i+1][j], self.board[i][j]
+        elif direction == "left" and j > 0:
+            self.board[i][j], self.board[i][j-1] = self.board[i][j-1], self.board[i][j]
+        elif direction == "right" and j < 2:
+            self.board[i][j], self.board[i][j+1] = self.board[i][j+1], self.board[i][j]
+        else:
+            print("Invalid direction! Try again.")
+
+def play_game():
+    """
+    The main game loop, asks the player for a move until the puzzle is solved
+    """
+    puzzle = SlidePuzzle()
+    while not puzzle.is_solved():
+        puzzle.print_board()
+        move = input("Enter the direction (up, down, left, right): ").lower()
+        puzzle.move(move)
+        if puzzle.is_solved():
+            print("Congratulations! You solved the puzzle!")
+            puzzle.print_board()
+
+play_game()
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