Solved the decorators homework without using functools module.

Author: YigithanErken16

Week04/decorators_yigithan_erken.py

@@ -1,28 +1,31 @@
 import time
 import tracemalloc
-from functools import wraps
 
 def performance(func):
-    @wraps(func)
+
     def wrapper(*args, **kwargs):
-        performance.counter += 1
 
         tracemalloc.start()
-        start_time = time.perf_counter()
-        
-        result = func(*args, **kwargs)
-        
-        end_time = time.perf_counter()
-        current, peak = tracemalloc.get_traced_memory()
-        tracemalloc.stop()
-        
-        performance.total_time += (end_time - start_time)
-        performance.total_mem += peak
+        start = time.perf_counter()
+        start_mem = tracemalloc.get_traced_memory()[0]
+        tracemalloc.reset_peak()
+
+        try:
+            result = func(*args, **kwargs)
 
+        finally:
+            end = time.perf_counter()
+            current, peak = tracemalloc.get_traced_memory()
+            
+            performance.counter += 1
+            performance.total_time += end - start
+            performance.total_mem += peak - start_mem
+            
+            tracemalloc.stop()
+
         return result
-    
     return wrapper
 
 performance.counter = 0
-performance.total_time = 0.0
+performance.total_time = 0
 performance.total_mem = 0