127.0.0.1:6379> SET (error) ERR wrong number of arguments for 'get' command127.0.0.1:6379> SET lecture inflearn-learnOK127.0.0.1:6379> set127.0.0.1:6379> set lecture hiOK127.0.0.1:6379> get lecture"hi"127.0.0.1:6379> mset lecture127.0.0.1:6379> mset get hi OK127.0.0.1:6379> mget get hi1) "hi"2) (nil)127.0.0.1:6379> mset hi hii hiii(error) ERR wrong number of arguments for 'mset' command127.0.0.1..