Create decorators_ikram_celal_keskin.py

passed test on my computer but i need to try on github for is it true or not

Author: icelal-kskn

Week04/decorators_ikram_celal_keskin.py

@@ -0,0 +1,49 @@
+import time
+import sys
+
+
+def performance(func):
+    """
+    This function is a decorator that measures the performance of a function.
+    This decorator function has a nested function called wrapper.
+    It measures the time ,memory usage, and how many called of the this function.
+    
+    :param func: function of the decorator
+    :type func: function
+    :return: wrapper of the decorator
+    :rtype: function
+    """
+    if not hasattr(performance, 'counter'):
+        setattr(performance, 'counter', 0)
+    
+    if not hasattr(performance, 'total_time'):
+        setattr(performance, 'total_time', 0.0)
+    
+    if not hasattr(performance, 'total_mem'):
+        setattr(performance, 'total_mem', 0)
+
+    def wrapper(*args, **kwargs):
+        """
+        This function is a wrapper that measures the performance of the decorated function.
+        It measures the execution time, memory usage, and the number of calls to the function.
+
+        :param *args: Positional arguments to pass to the decorated function.
+        :param **kwargs: Keyword arguments to pass to the decorated function.
+        :return: The result of the decorated function.
+        """
+        start_time = time.time()       
+
+        #source https://www.geeksforgeeks.org/find-out-how-much-memory-is-being-used-by-an-object-in-python/
+        memory_usage=sys.getsizeof(func(*args, **kwargs))
+        end_time = time.time() 
+            
+            
+        setattr(performance, 'counter', getattr(performance, 'counter') + 1)
+        setattr(performance, 'total_time', getattr(performance, 'total_time') + (end_time - start_time))
+        setattr(performance, 'total_mem', getattr(performance, 'total_mem') + memory_usage)
+        
+        return func(*args, **kwargs)
+
+    return wrapper
+
+