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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 adapt_logger(logger):
 """ Adapt our custom logger.BaseLogger object into a standard logging.Logger object. Adaptations are: - NoOpLogger turns into a logger with a single NullHandler. - SimpleLogger turns into a logger with a StreamHandler and level. Args: logger: Possibly a logger.BaseLogger, or a standard python logging.Logger. Returns: a standard python logging.Logger. """

  if isinstance(logger, logging.Logger):
    return logger

  # Use the standard python logger created by these classes.
  if isinstance(logger, (SimpleLogger, NoOpLogger)):
    return logger.logger

  # Otherwise, return whatever we were given because we can't adapt.
  return logger