(msg)
Writes an error message to the user.

    All error messages are written to stderr.

    Args:
      msg: The error message to write.
Writes an error message to the user.
Writes an error message to the user .
def error(msg):
    """Writes an error message to the user.

    All error messages are written to stderr.

    Args:
      msg: The error message to write.
    """
    _error_stream.write(msg)
def error ( msg ) : _error_stream . write ( msg )