# Create a simple "image" (2D array)
image = np.random.randint(0, 256, (100, 100))  # 100x100 grayscale

# Basic operations
bright_image = image + 50          # Brighten
dark_image = image * 0.5           # Darken
threshold = image > 128            # Binary threshold

# Image statistics
print(f"Average brightness: {np.mean(image):.1f}")
print(f"Bright pixels: {np.sum(image > 200)}")