```
val map = mutableMapOf(1 to mutableListOf(1, 2...
# announcementsk
kirillrakhman
06/24/2016, 1:13 PM Copy code
val map = mutableMapOf(1 to mutableListOf(1, 2, 3))
map[1]!!+= 4👍 1
kirillrakhman
06/24/2016, 1:13 PMval map = mutableMapOf(1 to mutableListOf(1, 2, 3))
map[1]!!+= 4