Pretty Print Time Difference in Python

First, to measure time, you can use:

import time
import datetime

start = time.perf_counter()
# ... some work ...
end = time.perf_counter()

duration = end - start

To pretty print time, use the following:

print(str(datetime.timedelta(seconds=duration)))

which displays something like 1:14:13 (hours:minutes:seconds).

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