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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create(self):
 """Exclusively create a file, only if this file previously did not exist. """

        fdint = os.open(self.path, (os.O_EXCL |
                                    os.O_CREAT |
                                    os.O_RDWR))

        # XXX TODO: 'name' attribute of returned files is not mutable or
        # settable via fdopen, so this file is slighly less functional than the
        # one returned from 'open' by default.  send a patch to Python...

        return os.fdopen(fdint, 'w+b')