{
"response": {
"count": 3,
"items": [{
"id": 456239019,
"album_id": -7,
"owner_id": -166846311,
"user_id": 100,
"sizes": [{
"type": "m",
"url": "https://pp.userap...083/tD87PSkocW8.jpg",
"width": 130,
"height": 120
}, {
"type": "o",
"url": "https://pp.userap...085/UJaDLXeuNV0.jpg",
"width": 130,
"height": 120
}, {
"type": "p",
"url": "https://pp.userap...086/gEWYBOibSG8.jpg",
"width": 200,
"height": 185
}, {
"type": "q",
"url": "https://pp.userap...087/vDeZ23I4RyQ.jpg",
"width": 320,
"height": 295
}, {
"type": "r",
"url": "https://pp.userap...088/gUYk9qMbuJY.jpg",
"width": 466,
"height": 430
}, {
"type": "s",
"url": "https://pp.userap...082/6Sx8vXYnoDw.jpg",
"width": 75,
"height": 69
}, {
"type": "x",
"url": "https://pp.userap...084/HxYbAUujcgU.jpg",
"width": 466,
"height": 430
}],
"text": "",
"date": 1527182269,
"post_id": 3
}]
}
}

#получаю id фотографии
photo = api.photos.get(owner_id='-166846311', album_id='wall', count=0, offset=2)['items'][0]['id']