From a16d2b39f6cf3f6280d3ec7e93ac2c5606c3deaf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elif=20Yalva=C3=A7?=
 <59252046+elifyalvac@users.noreply.github.com>
Date: Tue, 17 Mar 2026 14:34:58 +0300
Subject: [PATCH 1/3] Implement performance decorator for functions

Added a performance decorator to measure execution time and memory usage.
---
 Week04/decorators_elif_yalvac.py | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Week04/decorators_elif_yalvac.py

diff --git a/Week04/decorators_elif_yalvac.py b/Week04/decorators_elif_yalvac.py
new file mode 100644
index 00000000..cafc7cea
--- /dev/null
+++ b/Week04/decorators_elif_yalvac.py
@@ -0,0 +1,30 @@
+import time
+import tracemalloc
+from functools import wraps
+
+def performance(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        # Sayaç artır
+        performance.counter += 1
+        # Zaman ölçümü başlat
+        start_time = time.perf_counter()
+        # Bellek ölçümü başlat
+        tracemalloc.start()
+        # Fonksiyonu çalıştır
+        result = func(*args, **kwargs)
+        # Bellek ölçümü bitir
+        current, peak = tracemalloc.get_traced_memory()
+        tracemalloc.stop()
+        # Zaman ölçümü bitir
+        end_time = time.perf_counter()
+        # Toplam süreyi ekle
+        performance.total_time += (end_time - start_time)
+        # Toplam bellek (peak değer)
+        performance.total_mem += peak
+        return result
+    return wrapper
+
+performance.counter = 0
+performance.total_time = 0
+performance.total_mem = 0

From efd5bfe8771056e0a759d1fa99fa07e4fa203341 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elif=20Yalva=C3=A7?=
 <59252046+elifyalvac@users.noreply.github.com>
Date: Fri, 20 Mar 2026 21:44:06 +0300
Subject: [PATCH 2/3] Update decorators_elif_yalvac.py

---
 Week04/decorators_elif_yalvac.py | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/Week04/decorators_elif_yalvac.py b/Week04/decorators_elif_yalvac.py
index cafc7cea..0ada4cc8 100644
--- a/Week04/decorators_elif_yalvac.py
+++ b/Week04/decorators_elif_yalvac.py
@@ -1,28 +1,27 @@
 import time
 import tracemalloc
-from functools import wraps
 
 def performance(func):
-    @wraps(func)
     def wrapper(*args, **kwargs):
         # Sayaç artır
-        performance.counter += 1
-        # Zaman ölçümü başlat
-        start_time = time.perf_counter()
+        performance.counter += 1        
         # Bellek ölçümü başlat
         tracemalloc.start()
+        # Zaman ölçümü başlat
+        start_time = time.perf_counter()       
         # Fonksiyonu çalıştır
-        result = func(*args, **kwargs)
-        # Bellek ölçümü bitir
-        current, peak = tracemalloc.get_traced_memory()
-        tracemalloc.stop()
+        result = func(*args, **kwargs)        
         # Zaman ölçümü bitir
         end_time = time.perf_counter()
-        # Toplam süreyi ekle
+        # Bellek ölçümü bitir (peak ve current değerleri al)
+        current, peak = tracemalloc.get_traced_memory()
+        tracemalloc.stop()  
+        # Toplam süreyi ve belleği ekle
         performance.total_time += (end_time - start_time)
-        # Toplam bellek (peak değer)
         performance.total_mem += peak
         return result
+    wrapper.__name__ = func.__name__
+    wrapper.__doc__ = func.__doc__
     return wrapper
 
 performance.counter = 0

From be07eba65eb544bc0c5c06357ddafb0cdf9d6723 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elif=20Yalva=C3=A7?=
 <59252046+elifyalvac@users.noreply.github.com>
Date: Mon, 23 Mar 2026 10:12:38 +0300
Subject: [PATCH 3/3] Refactor performance decorator to initialize counters

---
 Week04/decorators_elif_yalvac.py | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/Week04/decorators_elif_yalvac.py b/Week04/decorators_elif_yalvac.py
index 0ada4cc8..9af6ee36 100644
--- a/Week04/decorators_elif_yalvac.py
+++ b/Week04/decorators_elif_yalvac.py
@@ -3,27 +3,27 @@
 
 def performance(func):
     def wrapper(*args, **kwargs):
+        if not hasattr(performance, "counter"):
+            performance.counter = 0
+            performance.total_time = 0
+            performance.total_mem = 0
         # Sayaç artır
-        performance.counter += 1        
+        performance.counter += 1
         # Bellek ölçümü başlat
         tracemalloc.start()
         # Zaman ölçümü başlat
-        start_time = time.perf_counter()       
+        start_time = time.perf_counter()
         # Fonksiyonu çalıştır
-        result = func(*args, **kwargs)        
+        result = func(*args, **kwargs)
         # Zaman ölçümü bitir
         end_time = time.perf_counter()
-        # Bellek ölçümü bitir (peak ve current değerleri al)
+        # Bellek ölçümü al
         current, peak = tracemalloc.get_traced_memory()
-        tracemalloc.stop()  
-        # Toplam süreyi ve belleği ekle
+        tracemalloc.stop()
+        # Toplamları güncelle
         performance.total_time += (end_time - start_time)
         performance.total_mem += peak
         return result
     wrapper.__name__ = func.__name__
     wrapper.__doc__ = func.__doc__
     return wrapper
-
-performance.counter = 0
-performance.total_time = 0
-performance.total_mem = 0