Set a new value as the element at index position of the List at key.
<p>
Out of range indexes will generate an error.
<p>
Similarly to other list commands accepting indexes, the index can be negative to access
elements starting from the end of the list. So -1 is the last element, -2 is the penultimate,
and so forth.
<p>
<b>Time complexity:</b>
<p>
O(N) (with N being the length of the list), setting the first or last elements of the list is
O(1).
@see #lindex(string, long)
@param key
@param index
@param value
@return Status code reply
Set a new value as the element at index position of the List at key. <p> Out of range indexes will generate an error. <p> Similarly to other list commands accepting indexes, the index can be negative to access elements starting from the end of the list. So -1 is the last element, -2 is the penultimate, and so forth. <p> <b>Time complexity:</b> <p> O(N) (with N being the length of the list), setting the first or last elements of the list is O(1). @see #lindex(string, long) @param key @param index @param value @return Status code reply