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>>> import time
... def logging_time(func):
... """Decorator that logs time"""
... 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 calculate_sum_n(n):
... return sum(range(n))
...
... @logging_time
... def say_hi(whom, greeting="Hello"):
... print(f"{greeting}, {whom}!")
...
... calculate_sum_n(100000)
... say_hi("John", greeting="Hi")
...
Calling calculate_sum_n: 0.00187
Hi, John!
Calling say_hi: 0.00001
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