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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 _log(self, s):
 r"""Log a string. It flushes but doesn't append \n, so do that yourself."""

    # TODO(tewalds): Should this be using logging.info instead? How to see them
    # outside of google infrastructure?
    sys.stderr.write(s)
    sys.stderr.flush()