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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 size():
 """Determines the height and width of the console window Returns: tuple of int: The height in lines, then width in characters """

    try:
        assert os != 'nt' and sys.stdout.isatty()
        rows, columns = os.popen('stty size', 'r').read().split()
    except (AssertionError, AttributeError, ValueError):
        # in case of failure, use dimensions of a full screen 13" laptop
        rows, columns = DEFAULT_HEIGHT, DEFAULT_WIDTH

    return int(rows), int(columns)