diff --git a/Week04/decorators_burakhan_gultoplar.py b/Week04/decorators_burakhan_gultoplar.py
new file mode 100644
index 00000000..2406886c
--- /dev/null
+++ b/Week04/decorators_burakhan_gultoplar.py
@@ -0,0 +1,29 @@
+import time
+import tracemalloc
+from functools import update_wrapper
+
+
+class performance:
+    counter = 0
+    total_time = 0.0
+    total_mem = 0
+
+    def __init__(self, fn):
+        self.fn = fn
+        update_wrapper(self, fn)
+
+    def __call__(self, *args, **kwargs):
+        tracemalloc.start()
+        t0 = time.perf_counter()
+
+        out = self.fn(*args, **kwargs)
+
+        t1 = time.perf_counter()
+        _, peak = tracemalloc.get_traced_memory()
+        tracemalloc.stop()
+
+        performance.counter += 1
+        performance.total_time += (t1 - t0)
+        performance.total_mem += peak
+
+        return out