LSET
Initial
Play 1
Play 2
Play 3
LSET key index value
LSET mylist 0 XXXXX
LSET mylist 2 YYYYY
LSET mylist -1 ZZZZZ
INDEX
0
1
2
3
value1
value2
value3
value4
-4
-3
-2
-1
REVERSE INDEX