decorators_logging_time0.py

>>> import time
... def logging_time(func):
...     """Decorator that logs time"""
...     def logger():
...         """Function that logs time"""
...         start = time.time()
...         func()
...         print(f"Calling {func.__name__}: {time.time() - start:.5f}")
... 
...     return logger
... 
... @logging_time
... def calculate_sum():
...     return sum(range(10000))
... 
... calculate_sum()
... 
Calling calculate_sum: 0.00018