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reeks 05: functies 0 of 6 activities solved Deadline Tue 31 Oct, 22:00
  1. ISBN Not yet solved
  2. Word sums Not yet solved
  3. Transitions and transversions Not yet solved
  4. The ouroboros dream Not yet solved
  5. Corkscrew Not yet solved
  6. Penney Ante Not yet solved
Next series reeks 06: lijsten en tuples
reeks 05: functies

ISBN

This course is archived, so you can no longer hand in solutions.

def isISBN(code): """ Returns True is the argument is a string that contains a valid ISBN-10 code, False otherwise. >>> isISBN('9971502100') True >>> isISBN('9971502108') False >>> isISBN('53WKEFF2C') False >>> isISBN(4378580136) False """ if __name__ == '__main__': import doctest doctest.testmod()