`LINDEX`

Return the element at the given list index.

语法	`LINDEX key index`
分组	list
参数个数	3
起始版本	1.0.0
标志	readonly
复杂度	O(1) — the list is a VecDeque, so an index is a direct offset (Redis's quicklist is O(N))
Redis 兼容性	full