From bf9ac03fee8ea3f5fb7a1dabef1ec29d7ddbd48f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ahmet=20Hakan=20Y=C4=B1ld=C4=B1r=C4=B1m?=
 <hakanyildirim6303@gmail.com>
Date: Tue, 31 Mar 2026 22:03:10 +0300
Subject: [PATCH 1/2] Refactor performance decorator for clarity and efficiency

---
 Week04/decorators_ahmet_hakan_yildirim.py | 34 +++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Week04/decorators_ahmet_hakan_yildirim.py

diff --git a/Week04/decorators_ahmet_hakan_yildirim.py b/Week04/decorators_ahmet_hakan_yildirim.py
new file mode 100644
index 00000000..61f804ef
--- /dev/null
+++ b/Week04/decorators_ahmet_hakan_yildirim.py
@@ -0,0 +1,34 @@
+import time,tracemalloc
+ 
+
+def performance(fn):
+    """Decorator that tracks execution time and memory consumption of a function."""
+    # Initialize tracking attributes if not already present
+    if not hasattr(performance, "call_count"):
+        performance.call_count = 0
+        performance.time_elapsed = 0
+        performance.memory_used = 0
+    
+    def inner(*args, **kwargs):
+        # Update function invocation count
+        performance.call_count += 1
+        
+        # Begin memory and execution time monitoring
+        tracemalloc.start()
+        start = time.time()
+        
+        # Run the original function
+        ret_value = fn(*args, **kwargs)
+        
+        # End monitoring and capture metrics
+        end = time.time()
+        current_usage, max_usage = tracemalloc.get_traced_memory()
+        tracemalloc.stop()
+        
+        # Accumulate memory and execution time
+        performance.memory_used += max_usage
+        performance.time_elapsed += (end - start)
+        
+        return ret_value
+    
+    return inner

From 7f64788a5df276a4a641f3a35ce518bce75f821a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ahmet=20Hakan=20Y=C4=B1ld=C4=B1r=C4=B1m?=
 <hakanyildirim6303@gmail.com>
Date: Tue, 31 Mar 2026 22:07:06 +0300
Subject: [PATCH 2/2] Refactor performance decorator for clarity and accuracy

---
 Week04/decorators_ahmet_hakan_yildirim.py | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/Week04/decorators_ahmet_hakan_yildirim.py b/Week04/decorators_ahmet_hakan_yildirim.py
index 61f804ef..2898bac9 100644
--- a/Week04/decorators_ahmet_hakan_yildirim.py
+++ b/Week04/decorators_ahmet_hakan_yildirim.py
@@ -1,17 +1,17 @@
-import time,tracemalloc
- 
+import time
+import tracemalloc
 
 def performance(fn):
     """Decorator that tracks execution time and memory consumption of a function."""
     # Initialize tracking attributes if not already present
-    if not hasattr(performance, "call_count"):
-        performance.call_count = 0
-        performance.time_elapsed = 0
-        performance.memory_used = 0
+    if not hasattr(performance, "counter"):
+        performance.counter = 0
+        performance.total_time = 0
+        performance.total_mem = 0
     
     def inner(*args, **kwargs):
         # Update function invocation count
-        performance.call_count += 1
+        performance.counter += 1
         
         # Begin memory and execution time monitoring
         tracemalloc.start()
@@ -26,8 +26,8 @@ def inner(*args, **kwargs):
         tracemalloc.stop()
         
         # Accumulate memory and execution time
-        performance.memory_used += max_usage
-        performance.time_elapsed += (end - start)
+        performance.total_mem += max_usage
+        performance.total_time += (end - start)
         
         return ret_value