diff --git a/Week04/decorators_burakhan_gultoplar.py b/Week04/decorators_burakhan_gultoplar.py
new file mode 100644
index 00000000..42a1f8fd
--- /dev/null
+++ b/Week04/decorators_burakhan_gultoplar.py
@@ -0,0 +1,27 @@
+import time
+import tracemalloc
+
+def performance(func):
+    def inner(*args, **kwargs):
+        tracemalloc.start()
+        start_time = time.perf_counter()
+        
+        output = func(*args, **kwargs)
+        
+        end_time = time.perf_counter()
+        current, peak_memory = tracemalloc.get_traced_memory()
+        tracemalloc.stop()
+        
+        
+        performance.counter += 1
+        performance.total_time += (end_time - start_time)
+        performance.total_mem += peak_memory
+        
+        return output
+    
+    return inner
+
+
+performance.counter = 0
+performance.total_time = 0.0
+performance.total_mem = 0