Add performance tracking decorator

This decorator tracks the performance of functions by measuring execution time and memory usage.

Author: elifozknt

Week04/decorators_firstname_lastname.py

@@ -0,0 +1,29 @@
+import time
+import tracemalloc
+import functools
+
+def performance(func):
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        start_time = time.time()
+
+        tracemalloc.start()
+        result = func(*args, **kwargs)
+        current, peak = tracemalloc.get_traced_memory()
+        tracemalloc.stop()
+
+        end_time = time.time()
+
+        performance.counter += 1
+        performance.total_time += (end_time - start_time)
+        performance.total_mem += peak
+
+        return result
+
+    return wrapper
+
+
+# decorator attributes
+performance.counter = 0
+performance.total_time = 0.0
+performance.total_mem = 0