Solution

app/main.py

@@ -1,25 +1,65 @@
+from __future__ import annotations
+from typing import Callable
 from abc import ABC
 
 
 class IntegerRange:
-    pass
+    def __init__(self, min_value: int, max_value: int) -> None:
+        self.min_value = min_value
+        self.max_value = max_value
+
+    def __set_name__(self, owner: SlideLimitationValidator, name: str) -> None:
+        self.protected_name = "_" + name
+
+    def __get__(self, instance: Callable, objtype: None = None) -> bool:
+        return getattr(instance, self.protected_name)
+
+    def __set__(self, instance: Callable, value: int) -> None:
+        if value in range(self.min_value, self.max_value + 1):
+            setattr(instance, self.protected_name, True)
+        else:
+            setattr(instance, self.protected_name, False)
 
 
 class Visitor:
-   pass
+    def __init__(self, name: str, age: int, weight: int, height: int) -> None:
+        self.name = name
+        self.age = age
+        self.weight = weight
+        self.height = height
 
 
 class SlideLimitationValidator(ABC):
-    pass
+    def __init__(self, age: int, weight: int, height: int) -> None:
+        self.age = age
+        self.weight = weight
+        self.height = height
 
 
 class ChildrenSlideLimitationValidator(SlideLimitationValidator):
-    pass
+    age = IntegerRange(4, 14)
+    weight = IntegerRange(20, 50)
+    height = IntegerRange(80, 120)
 
 
 class AdultSlideLimitationValidator(SlideLimitationValidator):
-    pass
+    age = IntegerRange(14, 60)
+    weight = IntegerRange(50, 120)
+    height = IntegerRange(120, 220)
 
 
 class Slide:
-    pass
+    def __init__(self, name: str, limitation_class: Callable) -> None:
+        self.name = name
+        self.limitation_class = limitation_class
+
+    def can_access(self, visitor: Visitor) -> bool:
+        lim = self.limitation_class(
+            visitor.age,
+            visitor.weight,
+            visitor.height
+        )
+        print(lim.age, lim.weight, lim.height)
+        if lim.age and lim.height and lim.weight:
+            return True
+        return False