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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 bbox_vflip(bbox, rows, cols):
 """Flip a bounding box vertically around the x-axis."""

    x_min, y_min, x_max, y_max = bbox
    return [x_min, 1 - y_max, x_max, 1 - y_min]