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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 flush(self):
 """Flushes all log files."""

    self.acquire()
    try:
      self.stream.flush()
    except (EnvironmentError, ValueError):
      # A ValueError is thrown if we try to flush a closed file.
      pass
    finally:
      self.release()