get_all_wall_photos return elements in bad format, need to rewrite function #1
Description
[[],[<<"https://pp.u"...>>],[],[<<"http"...>>],[],[...]|...],
[[],[<<"https://"...>>],[],[<<...>>],[]|...],
[[],[<<"http"...>>],[],[...]|...],
[[],[<<...>>],[]|...],
[[],[...]|...],
[[]|...],
[...]|...],
[[],
[<<"https://pp.userapi.com/c840224/v84022414"...>>],
[],
[<<"https://pp.userapi.com/c639524/v"...>>],
[],
[[],
[<<"https://pp.usera"...>>],
[],
[<<"https://"...>>],
[],[],
[...]|...],