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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(img):
 """Find the bounding box around nonzero elements in the given array Copied from https://stackoverflow.com/a/31402351/5703449 . Returns: rowmin, rowmax, colmin, colmax """

    rows = np.any(img, axis=1)
    cols = np.any(img, axis=0)
    rmin, rmax = np.where(rows)[0][[0, -1]]
    cmin, cmax = np.where(cols)[0][[0, -1]]

    return rmin, rmax, cmin, cmax