decorators added

decorators.py

@@ -0,0 +1,43 @@
+import datetime
+from functools import wraps
+from datetime import datetime
+
+
+def func_exec_count(func):
+    @wraps(func)
+    def new_func(*args, **kwargs):
+        func_result = func(*args, **kwargs)
+        new_func.count += 1
+        return func_result
+    new_func.count = 0
+    return new_func
+
+
+def execution_time(func):
+    @wraps(func)
+    def exec_func(*args, **kwargs):
+        now = datetime.now()
+        func_result = func(*args, **kwargs)
+        end = datetime.now()
+        print('time to execute', (end - now).seconds)
+        return func_result
+    return exec_func
+
+
+@func_exec_count
+@execution_time
+def summary(x: int, y: int) -> int:
+    z = x + y
+    return z
+
+
+@execution_time
+def main():
+    result = 0
+    for i in range(1, 11):
+        result += summary(i, 100)
+        print(result)
+    print(summary.count, summary.__name__)
+
+
+main()