from PIL import ImageFilter
blurred_img = img.filter(ImageFilter.BLUR)

box_blur = img.filter(ImageFilter.BoxBlur(5))

gaussian_blur = img.filter(ImageFilter.GaussianBlur(radius=2))

sharpened = img.filter(ImageFilter.SHARPEN)

edges = img.filter(ImageFilter.FIND_EDGES)

edge_enhanced = img.filter(ImageFilter.EDGE_ENHANCE)

embossed = img.filter(ImageFilter.EMBOSS)

contours = img.filter(ImageFilter.CONTOUR)

from PIL import ImageEnhance
enhancer = ImageEnhance.Color(img)
vibrant_img = enhancer.enhance(2.0)

enhancer = ImageEnhance.Brightness(img)
bright_img = enhancer.enhance(1.5)

enhancer = ImageEnhance.Contrast(img)
contrast_img = enhancer.enhance(1.5)

enhancer = ImageEnhance.Sharpness(img)
sharp_img = enhancer.enhance(2.0)

from PIL import ImageDraw, ImageFont
draw = ImageDraw.Draw(img)
font = ImageFont.truetype("arial.ttf", 36)
draw.text((10, 10), "Hello", font=font, fill="red")

draw.line((0, 0, 100, 200), fill="blue", width=3)

draw.rectangle([10, 10, 90, 60], outline="green", width=2)

draw.ellipse([100, 100, 180, 150], fill="yellow")

draw.polygon([(10,10), (20,50), (60,10)], fill="purple")

from dataclasses import dataclass

# --- BEFORE: Using a standard class ---
# A lot of boilerplate code is needed for basic functionality.

class ProductOld:
    def __init__(self, name: str, price: float, sku: str):
        self.name = name
        self.price = price
        self.sku = sku

    def __repr__(self):
        return f"ProductOld(name='{self.name}', price={self.price}, sku='{self.sku}')"

    def __eq__(self, other):
        if not isinstance(other, ProductOld):
            return NotImplemented
        return (self.name, self.price, self.sku) == (other.name, other.price, other.sku)

# Example Usage
product_a = ProductOld("Laptop", 1200.00, "LP-123")
product_b = ProductOld("Laptop", 1200.00, "LP-123")

print(product_a)  # Output: ProductOld(name='Laptop', price=1200.0, sku='LP-123')
print(product_a == product_b)  # Output: True


# --- AFTER: Using a dataclass ---
# The code is concise, readable, and less error-prone.

@dataclass(frozen=True) # frozen=True makes instances immutable
class Product:
    name: str
    price: float
    sku: str

# Example Usage
product_c = Product("Laptop", 1200.00, "LP-123")
product_d = Product("Laptop", 1200.00, "LP-123")

print(product_c)  # Output: Product(name='Laptop', price=1200.0, sku='LP-123')
print(product_c == product_d)  # Output: True

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