import time
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class Duration:
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def __init__(self, description):
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self.description = description
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def __enter__(self):
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self.start = time.time()
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.end = time.time()
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self.duration = self.end - self.start
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print(self.description,end=" ")
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print("took {} seconds.".format(self.duration)) |