import math
from abc import ABC, abstractmethod


class Shape(ABC):
    @abstractmethod
    def area(self) -> float:
        pass

    @abstractmethod
    def perimeter(self) -> float:
        pass


class Circle(Shape):
    def __init__(self, radius: float) -> None:
        # Guarda el radio
        self.radio = radius

    def area(self) -> float:
        # Retorna el área del círculo
        return math.pi * (self.radio ** 2)

    def perimeter(self) -> float:
        # Retorna la circunferencia
        return math.pi * 2 * self.radio


class Rectangle(Shape):
    def __init__(self, width: float, height: float) -> None:
        # Guarda las dimensiones
        self.width = width
        self.height = height

    def area(self) -> float:
        # Retorna el área del rectángulo
        return self.height * self.width

    def perimeter(self) -> float:
        # Retorna el perímetro del rectángulo
        return self.height * 2 + self.width * 2


def calculate_shapes(shapes_data: list) -> list:
    # Crea Circle o Rectangle para cada elemento y retorna la lista de métricas
    result = []
    for obj in shapes_data:
        if obj["type"] == "circle":
            circulo = Circle(obj["radius"])
            d = {"type": obj["type"], "area": round(circulo.area(), 2), "perimeter": round(circulo.perimeter(), 2)}
            result.append(d)
        else:
            rectangle = Rectangle(obj["width"], obj["height"])
            d = {"type": "rectangle", "area": round(rectangle.area(), 2), "perimeter": round(rectangle.perimeter(), 2)}
            result.append(d)
    return result