Complete task 24

24 Move a player part 2/exercise-01.py

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+class Board:
+    def __init__(self, rows, columns):
+        self.rows = rows
+        self.columns = columns
+        self.grid = [["O" for i in range(columns)] for j in range(rows)]
+        self.player_location = (7, 0)  # bottom left
+        self.previous_location = None
+        
+    def format_grid(self):
+        header = "   " + " ".join(f"{j:>2}" for j in range(self.columns)) + "\n"
+        result = header
+        for i in range(self.rows):
+            row_cells = []
+            for j in range(self.columns):
+                if (i, j) == self.player_location:
+                    row_cells.append(" *")
+                else:
+                    row_cells.append(f" {self.grid[i][j]}")
+            result += f"{i:>2} " + " ".join(row_cells) + "\n"
+        return result
+    
+    def move(self, x, y):
+        row, col = self.player_location
+        
+        vertical_direction = self._get_vertical_movement()
+        
+        vertical_magnitude = self._get_number_of_squares()
+        
+        new_row = self._check_vertical_move(row, vertical_direction, vertical_magnitude)
+        
+        if new_row is None:
+            print("Invalid Y move: the game is over")
+            return None
+        
+        horizontal_direction = self._get_horizontal_movement()
+        
+        horizontal_magnitude = self._get_number_of_squares()
+        
+        new_col = self._check_horizontal_move(col, horizontal_direction, horizontal_magnitude)
+        
+        if new_col is None:
+            print("Invalid X move: the game is over")
+            return None
+        
+        self.previous_location = (row, col)
+        self.grid[row][col] = "O"
+        self.grid[new_row][new_col] = "*"
+        self.player_location = (new_row, new_col)
+        
+        print(f"Previous location: {self.previous_location} now shows 'O'")
+        
+        print(self.format_grid())
+        
+        return self.player_location
+    
+    def _get_vertical_movement(self):
+        while True:
+            direction = input("Vertical direction (u for up, d for down): ").strip().lower()
+            if direction in ["u", "d"]:
+                return direction
+            print("Invalid direction. Please enter 'u' or 'd'.")
+    
+    def _get_horizontal_movement(self):
+        while True:
+            direction = input("Horizontal direction (l for left, r for right): ").strip().lower()
+            if direction in ["l", "r"]:
+                return direction
+            print("Invalid direction. Please enter 'l' or 'r'.")
+    
+    def _get_number_of_squares(self):
+        while True:
+            try:
+                magnitude = int(input("Number of squares to move: "))
+                if magnitude > 0:
+                    return magnitude
+                print("Please enter a positive number.")
+            except ValueError:
+                print("Invalid input. Please enter a number.")
+    
+    def _check_vertical_move(self, current_row, direction, magnitude):
+        if direction == "u":
+            new_row = current_row - magnitude
+        else:
+            new_row = current_row + magnitude
+        
+        if 0 <= new_row <= self.rows - 1:
+            return new_row
+        else:
+            return None
+    
+    def _check_horizontal_move(self, current_col, direction, magnitude):
+        if direction == "r":
+            new_col = current_col + magnitude
+        else:
+            new_col = current_col - magnitude
+        
+        if 0 <= new_col <= self.columns - 1:
+            return new_col
+        else:
+            return None
+
+
+def main():
+    board = Board(8, 8)
+    print(board.format_grid())
+    
+    moves_made = 0
+    max_moves = 5
+    
+    while moves_made < max_moves:
+        print(f"\nMove {moves_made + 1} of {max_moves}:")
+        move = board.move(0, 0)
+        
+        if move is None:
+            print("Game Over! You made an invalid move.")
+            break
+        
+        moves_made += 1
+    
+    if moves_made == max_moves:
+        print(f"\nCongratulations! You completed all {max_moves} moves successfully!")
+
+
+if __name__ == "__main__":
+    main()