pythonBOTvk

import json


def get_button(label, color, payload=""):
    return {
        "action": {
            "type": "text",
            "payload": json.dumps(payload),
            "label": label
        },
        "color": color
    }

keyboard = {
    "one_time": False,
    "buttons": [

    [get_button(label="Кнопка 1", color="positive")],
    [get_button(label="Кнопка 2", color="negative")],
    [get_button(label="Кнопка 3", color="primary")],
    [get_button(label="Кнопка 4", color="default")]

    ]
}

keyboard = json.dumps(keyboard, ensure_ascii=False).encode('utf-8')
keyboard = str(keyboard.decode('utf-8'))