сделал изменения и добавил файлы

HNS/27.08.2023/Circle.py

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+import math
+import Shape
+
+
+class Circle(Shape):
+    def __init__(self, rad):
+        self.radius = rad
+
+    def perimeter(self):
+        return 2 * math.pi * self.radius
+
+    def area(self):
+        return math.pi + (self.radius ** 2)

HNS/27.08.2023/Rectangle.py

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+import Shape
+
+
+class Rectangle(Shape):
+    def __init__(self, w, h):
+        self.w = w
+        self.h = h
+
+    def perimeter(self):
+        return 2 * (self.w + self.h)
+
+    def area(self):
+        return self.w * self.h

HNS/27.08.2023/Square.py

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+import Shape
+
+
+class Square(Shape):
+    def __init__(self, a):
+        self.a = a
+
+    def perimeter(self):
+        return 4 * self.a
+
+    def area(self):
+        return self.a * 2

HNS/27.08.2023/classes.py

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+import math
+from abc import abstractmethod
+from abc import ABC
+
+
+class Shape(ABC):
+    color = ''
+
+    @abstractmethod
+    def area(self):
+        pass
+
+    @abstractmethod
+    def perimeter(self):
+        pass
+
+    @staticmethod
+    def create_from_json(json):
+        if 'type' in json:
+            shape_type = json['type']
+
+            if shape_type == 'rectangle':
+                return Rectangle(json['width', 'height'])
+
+            elif shape_type == 'square':
+                return Square(json['side'])
+
+            elif shape_type == 'circle':
+                return Circle(json('radius'))
+
+            else:
+                raise TypeError(f'вот тебе >>>(оIo), а не фигура {shape_type}')
+
+    @staticmethod
+    def covert_to_pro(obj):
+        if isinstance(obj, Shape):
+            result = obj.__dict__
+            result['className'] = obj.__class__.__name__
+            return result
+
+    class Rectangle(Shape):
+        def __init__(self, w, h):
+            self.w = w
+            self.h = h
+
+        def perimeter(self):
+            return 2 * (self.w + self.h)
+
+        def area(self):
+            return self.w * self.h
+
+    class Square(Shape):
+        def __init__(self, a):
+            self.a = a
+
+        def perimeter(self):
+            return 4 * self.a
+
+        def area(self):
+            return self.a * 2
+
+    class Circle(Shape):
+        def __init__(self, rad):
+            self.radius = rad
+
+        def perimeter(self):
+            return 2 * math.pi * self.radius
+
+        def area(self):
+            return math.pi + (self.radius ** 2)
+
+
+def json_to_python():
+    with open('shapes.json') as shapes:
+        data = json.loads(shapes)
+        return data

HNS/27.08.2023/main.py

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+import json
+from classes import Shapes
+
+
+def json_to_python():
+    with open('shapes.json') as shapes:
+        data = json.load(shapes)
+        return data
+
+
+obj = json_to_python()
+
+for shape in obj['shapes']:
+    sh1 = Shape.create_shape(shape)
+
+    print(sh1.perimeter())
+    print(sh1.area())

HNS/27.08.2023/shapes.json

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+{
+    "shapes": [
+        {
+            "type": "rectangle",
+            "width": 5,
+            "height": 10,
+            "color": "red"
+        },
+        {
+            "type": "circle",
+            "radius": 7,
+            "color": "blue"
+        },
+        {
+            "type": "square",
+            "side": 4,
+            "color": "green"
+        }
+    ]
+}