from dataclasses import dataclass
from typing import List
from abc import ABC, abstractmethod
@dataclass
class Point:
x: float
y: float
def distance_from_origin(self) -> float:
return (self.x ** 2 + self.y ** 2) ** 0.5
def __str__(self) -> str:
return f"Point({self.x}, {self.y})"
class Shape(ABC):
@abstractmethod
def area(self) -> float:
pass
@abstractmethod
def perimeter(self) -> float:
pass
class Rectangle(Shape):
def __init__(self, width: float, height: float):
self.width = width
self.height = height
def area(self) -> float:
return self.width * self.height
def perimeter(self) -> float:
return 2 * (self.width + self.height)
class Circle(Shape):
def __init__(self, radius: float):
self.radius = radius
def area(self) -> float:
import math
return math.pi * self.radius ** 2
def perimeter(self) -> float:
import math
return 2 * math.pi * self.radius