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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_raise(log, err_str, err_type=RuntimeError):
 """Log an error message and raise an error. Arguments --------- log : `logging.Logger` object err_str : str Error message to be logged and raised. err_type : `Exception` object Type of error to raise. """

    log.error(err_str)
    # Make sure output is flushed
    # (happens automatically to `StreamHandlers`, but not `FileHandlers`)
    for handle in log.handlers:
        handle.flush()
    # Raise given error
    raise err_type(err_str)