diff --git a/Week04/decorators_berzan_gecit.py b/Week04/decorators_berzan_gecit.py
new file mode 100644
index 00000000..472a3395
--- /dev/null
+++ b/Week04/decorators_berzan_gecit.py
@@ -0,0 +1,21 @@
+import time
+import tracemalloc
+
+
+def performance(func):
+    def wrapper(*args, **kwargs):
+        tracemalloc.start()
+        t1 = time.perf_counter()
+        res = func(*args, **kwargs)
+        t2 = time.perf_counter()
+        mem, _ = tracemalloc.get_traced_memory()
+        tracemalloc.stop()
+        performance.counter += 1
+        performance.total_time += t2 - t1
+        performance.total_mem += mem
+        return res
+    return wrapper
+
+performance.counter = 0
+performance.total_time = 0.0
+performance.total_mem = 0