Q$3$ : deleteTileSet

$//$ This function is used to delete a tileset by ID$.$

$//$ Parse the list and compare the tileset IDs to check which one should be deleted.

$//$ Restore the array structure after removal of the tileset.

$//$ You'll have to parse through the levelList to see if the tileset is used by any level.

$//$ If a level uses the specified tileset, set that level's currentSet attribute to $9999.$

$//$ Return $0$ if the specified ID was not found. Return $1$ upon successful removal of a tileset.