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>>> import time
... from functools import wraps
...
... def logging_time(func):
... """Decorator that logs time"""
... @wraps(func)
... def logger(*args, **kwargs):
... """Function that logs time"""
... start = time.time()
... func(*args, **kwargs)
... print(f"Calling {func.__name__}: {time.time() - start:.5f}")
...
... return logger
...
...
... @logging_time
... def say_hello(whom):
... """Greet someone"""
... print(f"Hello, {whom}!")
...
... print(say_hello.__doc__)
...
Greet someone
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