Answer:
ur right its custom
Explanation:
sorry if im wrong i really am
commas are necesarry when there is a sequence or list of numbers ex 2, 4, 6, 8, and so on but if it looked like this
2
4
6
8 in a vertical column, there is no need for them
Answer and by going to the Libary gitting smart and know how to doing.
Explanation: