Question: [Python] Compose a program to check whether an ISBN number is valid, considering that an ISBN number can have hyphens inserted at arbitrary places. $
[Python] Compose a program to check whether an ISBN number is valid, considering that an ISBN number can have hyphens inserted at arbitrary places.
$ python .py 0-13-407643-5 True $ python .py 02-0-131452-4 False
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