From cb9b51af6d3a040b92ab170ffebca3ed08500b07 Mon Sep 17 00:00:00 2001
From: mehmetusta03 <mehmetustasb@gmail.com>
Date: Tue, 23 Dec 2025 12:55:01 +0300
Subject: [PATCH] Add performance decorator for function metrics

Implement a performance decorator to measure execution time and memory usage.
---
 Week04/decorators_mehmet_usta.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Week04/decorators_mehmet_usta.py

diff --git a/Week04/decorators_mehmet_usta.py b/Week04/decorators_mehmet_usta.py
new file mode 100644
index 00000000..fccb8ab2
--- /dev/null
+++ b/Week04/decorators_mehmet_usta.py
@@ -0,0 +1,23 @@
+def performance(func):
+    if not hasattr(performance, "counter"):
+        performance.counter = 0
+        performance.total_time = 0.0
+        performance.total_mem = 0
+
+    def wrapper(*args, **kwargs):
+        start_time = time.perf_counter()
+        tracemalloc.start()
+
+        result = func(*args, **kwargs)
+
+        current, peak = tracemalloc.get_traced_memory()
+        tracemalloc.stop()
+        end_time = time.perf_counter()
+
+        performance.counter += 1
+        performance.total_time += (end_time - start_time)
+        performance.total_mem += peak
+
+        return result
+
+    return wrapper