Check if argparse optional argument is set or not

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Track title: CC F Haydns String Quartet No 53 in D

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Chapters
00:00 Question
00:59 Accepted answer (Score 221)
01:26 Answer 2 (Score 52)
02:26 Answer 3 (Score 27)
03:05 Answer 4 (Score 14)
03:39 Thank you

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Full question
https://stackoverflow.com/questions/3048...

Answer 3 links:
[here]: https://docs.python.org/2.7/library/argp...

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Tags
#python #argparse

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