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Задание_2.2._ВСР_Щербинин_А._В./unsafe.py

+import threading
+import time
+
+class UnsafeSingleton:
+    _instance = None
+
+    def __new__(cls):
+        if cls._instance is None:
+            time.sleep(0.01)
+            cls._instance = super(UnsafeSingleton, cls).__new__(cls)
+        return cls._instance
+
+instances = []
+
+def create_instance():
+    instance = UnsafeSingleton()
+    instances.append(instance)
+
+threads = [threading.Thread(target=create_instance) for _ in range(10)]
+
+for t in threads:
+    t.start()
+
+for t in threads:
+    t.join()
+
+unique_instances = set(instances)
+print(f"Создано {len(unique_instances)} уникальных экземпляров Singleton.")