LSET
Syntax
        LSET key index element
- Available since:
 - 1.0.0
 - Time complexity:
 - O(N) where N is the length of the list. Setting either the first or the last element of the list is O(1).
 - ACL categories:
 - 
              
                
@write,@list,@slow, 
Sets the list element at index to element.
For more information on the index argument, see LINDEX.
An error is returned for out of range indexes.
Examples
RESP2/RESP3 Reply
Simple string reply:OK.