def create_dict(bbox, faces, key):
    """Return the dictionary

    Keyword argument:
    bbox  -- list of the faces coordinats
    faces -- number of faces detected
    key   -- number of detected image

    """

    d = { "Image": 'image-' + str(key) + 'jpg',
          "Number of faces detected: " : str(faces),
          "Coordinats:" : bbox}
    return d