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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 findContours(*args, **kwargs):
 """ Wraps cv2.findContours to maintain compatiblity between versions 3 and 4 Returns: contours, hierarchy """

    if cv2.__version__.startswith('4'):
        contours, hierarchy = cv2.findContours(*args, **kwargs)
    elif cv2.__version__.startswith('3'):
        _, contours, hierarchy = cv2.findContours(*args, **kwargs)
    else:
        raise AssertionError(
            'cv2 must be either version 3 or 4 to call this method')

    return contours, hierarchy