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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 _image_xobjects(container):
 """Search for all XObject-based images in the container Usually the container is a page, but it could also be a Form XObject that contains images. Filter out the Form XObjects which are dealt with elsewhere. Generate a sequence of tuples (image, xobj container), where container, where xobj is the name of the object and image is the object itself, since the object does not know its own name. """


    if '/Resources' not in container:
        return
    resources = container['/Resources']
    if '/XObject' not in resources:
        return
    xobjs = resources['/XObject'].as_dict()
    for xobj in xobjs:
        candidate = xobjs[xobj]
        if not '/Subtype' in candidate:
            continue
        if candidate['/Subtype'] == '/Image':
            pdfimage = candidate
            yield (pdfimage, xobj)