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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 try_unlink (self):
 """Try to unlink this path. If it doesn't exist, no error is returned. Returns a boolean indicating whether the path was really unlinked. """

        try:
            self.unlink ()
            return True
        except OSError as e:
            if e.errno == 2:
                return False # ENOENT
            raise