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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 cli(env, identifier):
 """Delete an image."""


    image_mgr = SoftLayer.ImageManager(env.client)
    image_id = helpers.resolve_id(image_mgr.resolve_ids, identifier, 'image')

    image_mgr.delete_image(image_id)