From 64c6ae96676a8d831ac5979d3e6c46892f7b546e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mehmet=20Balc=C4=B1?=
 <148548201+MehmetxBalci@users.noreply.github.com>
Date: Thu, 2 Apr 2026 16:11:19 +0300
Subject: [PATCH] Add performance tracking decorator

This decorator tracks the performance of a function by measuring execution time and memory usage.
---
 Week04/decorators_mehmet_balci.py | 37 +++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Week04/decorators_mehmet_balci.py

diff --git a/Week04/decorators_mehmet_balci.py b/Week04/decorators_mehmet_balci.py
new file mode 100644
index 00000000..62fbd19d
--- /dev/null
+++ b/Week04/decorators_mehmet_balci.py
@@ -0,0 +1,37 @@
+import time
+import tracemalloc
+
+def performance(func):
+    # Initialize static variables only once (if they don't exist)
+    if not hasattr(performance, "counter"):
+        performance.counter = 0          # Number of times the function is called
+        performance.total_time = 0.0     # Total execution time
+        performance.total_mem = 0        # Total peak memory usage
+
+    def wrapper(*args, **kwargs):
+        # Start high-resolution timer
+        start = time.perf_counter()
+
+        # Start tracking memory allocations
+        tracemalloc.start()
+
+        try:
+            # Execute the original function
+            return func(*args, **kwargs)
+        finally:
+            # Calculate elapsed time
+            elapsed = time.perf_counter() - start
+
+            # Get memory usage (peak = maximum memory used)
+            _, peak = tracemalloc.get_traced_memory()
+
+            # Stop memory tracking
+            tracemalloc.stop()
+
+            # Update statistics
+            performance.counter += 1
+            performance.total_time += elapsed
+            performance.total_mem += peak
+
+    # Return the wrapper function instead of the original
+    return wrapper