decorator finished

decorators/decorator.py

@@ -1,20 +1,17 @@
-#decorator
-def my_decorator(func):
+from time import time
 
-    def wrap_func():
-        print('************')
-        func()
-        print('************')
+def performance(fn):
+    def wrapper(*args, **kwargs):
+        t1 = time()
+        result = fn(*args, **kwargs)
+        t2 = time()
+        print(f'took {t2-t1} ms')
+        return result
+    return wrapper
 
-    return wrap_func
+@performance
+def long_time():
+    for i in range(1000000):
+        i*5
 
-@my_decorator
-def hello():
-    print('hellllooooooooooo')
-
-@my_decorator
-def bye():
-    print('see ya letter')
-
-hello()
-bye()
+long_time()

decorators/wiki.txt

@@ -109,3 +109,23 @@
 
 
  
+    for ex:
+        from time import time
+
+        def performance(fn):
+            def wrapper(*args, **kwargs):
+                t1 = time()
+                result = fn(*args, **kwargs)
+                t2 = time()
+                print(f'took {t2-t1} ms')
+                return result
+            return wrapper
+
+        @performance
+        def long_time():
+            for i in range(1000000):
+                i*5
+
+        long_time()
+
+