Untitled

import os
import time

def clear_screen():
    """Clears the terminal screen."""
    os.system('cls' if os.name == 'nt' else 'clear')

def print_grid(grid):
    """Prints the current state of the grid."""
    for row in grid:
        print(' '.join(row))

def main():
    # Grid dimensions: 10 rows x 20 columns
    rows, cols = 10, 20

    # Create a grid filled with dots.
    grid = [['.' for _ in range(cols)] for _ in range(rows)]
    
    # Mark the sea in the bottom row with '~'
    for j in range(cols):
        grid[rows - 1][j] = '~'
    
    # Starting position of the little duck:
    # Place the duck (D) in the first row, in the center.
    duck_row, duck_col = 0, cols // 2
    grid[duck_row][duck_col] = 'D'
    
    while True:
        clear_screen()
        print("=== The Little Duck's Journey to the Sea ===")
        print_grid(grid)
        
        # Check if the duck has reached the sea.
        if duck_row == rows - 1:
            print("\nHooray! The little duck has reached the sea!")
            break
        
        move = input("\nEnter your move (w=up, a=left, s=down, d=right): ").lower()
        if move not in ['w', 'a', 's', 'd']:
            print("Invalid input! Please use only 'w', 'a', 's', or 'd'.")
            time.sleep(1)
            continue
        
        # Calculate the new position based on the input
        new_row, new_col = duck_row, duck_col
        if move == 'w':
            new_row -= 1
        elif move == 's':
            new_row += 1
        elif move == 'a':
            new_col -= 1
        elif move == 'd':
            new_col += 1
        
        # Check if the new position is within the bounds of the grid.
        if new_row < 0 or new_row >= rows or new_col < 0 or new_col >= cols:
            print("Oops! That move is out of bounds. Try another direction.")
            time.sleep(1)
            continue
        
        # Update the grid:
        # Replace the duck's current cell with '.' (or with '~' if it’s the sea row)
        grid[duck_row][duck_col] = '.' if duck_row < rows - 1 else '~'
        # Update the duck's position.
        duck_row, duck_col = new_row, new_col
        grid[duck_row][duck_col] = 'D'
        
if __name__ == '__main__':
    main()