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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 get_imagestreamtag_from_image(image):
 """ return ImageStreamTag, give a FROM value :param image: str, the FROM value from the Dockerfile :return: str, ImageStreamTag """

    ret = image

    # Remove the registry part
    ret = strip_registry_from_image(image)

    # ImageStream names cannot contain '/'
    ret = ret.replace('/', '-')

    # If there is no ':' suffix value, add one
    if ret.find(':') == -1:
        ret += ":latest"

    return ret