Solution

app/main.py

@@ -1,25 +1,90 @@
-from abc import ABC
+from abc import ABC, abstractmethod
 
 
 class IntegerRange:
-    pass
+    def __init__(self, min_amount: int, max_amount: int) -> None:
+        self.min_amount = min_amount
+        self.max_amount = max_amount
+
+    def __set_name__(self, cls: object, name: str) -> None:
+        self.private_name = "_" + name
+
+    def __get__(self, instance: object, cls: object) -> (int, str):
+        return getattr(instance, self.private_name)
+
+    def __set__(self, instance: object, value: (int, str)) -> None:
+        """if not (self.min_amount <= value <= self.max_amount):
+            raise ValueError("ValueError")"""
+        setattr(instance, self.private_name, value)
 
 
 class Visitor:
-   pass
+    age = IntegerRange(4, 60)
+    weight = IntegerRange(20, 120)
+    height = IntegerRange(80, 220)
+
+    def __init__(self,
+                 name: str,
+                 age: int,
+                 height: float,
+                 weight: float) -> None:
+        self.name = name
+        self.age = age
+        self.weight = weight
+        self.height = height
 
 
 class SlideLimitationValidator(ABC):
-    pass
+    def __init__(self, age: int, weight: float, height: float) -> None:
+        self.age = age
+        self.weight = weight
+        self.height = height
+
+    @abstractmethod
+    def validate(self) -> None:
+        pass
 
 
 class ChildrenSlideLimitationValidator(SlideLimitationValidator):
-    pass
+    def __init__(self, age: int, weight: float, height: float) -> None:
+        super().__init__(age, weight, height)
+
+    def validate(self) -> bool:
+        if ((not (4 <= self.age <= 14))
+                or (not (20 <= self.weight <= 50))
+                or (not (80 <= self.height <= 120))):
+            return False
+        return True
 
 
 class AdultSlideLimitationValidator(SlideLimitationValidator):
-    pass
+    def __init__(self, age: int, weight: float, height: float) -> None:
+        super().__init__(age, weight, height)
+
+    def validate(self) -> bool:
+        if (not (14 <= self.age <= 60)
+                or not (50 <= self.weight <= 120)
+                or not (120 <= self.height <= 220)):
+            return False
+        return True
 
 
 class Slide:
-    pass
+    def __init__(self,
+                 name: str,
+                 limitation_class: [ChildrenSlideLimitationValidator,
+                                    AdultSlideLimitationValidator]) -> None:
+        self.name = name
+        self.limitation_class = limitation_class
+
+    def can_access(self, visitor: Visitor) -> bool:
+        try:
+            self.limitation_class(visitor.age,
+                                  visitor.weight,
+                                  visitor.height)
+        except ValueError:
+            ...
+        obj = self.limitation_class(visitor.age,
+                                    visitor.weight,
+                                    visitor.height)
+        return obj.validate()