IMO total noobs should keep their coins on the exchange until they know what they're doing. For the average non tech savvy person the exchange is the safest place for their coins.
I think better read masulum post.
In addition to that superb reasons. Storing your funds to an exchange is high risk. Why not download or create your own wallet that you had your coin. For example you had neo, create wallet for neo, using the safest wallet they recommend. Not your keys not your coins. This is a fsmous tagline that you must remember.
If youre gonna say that it is time consuming then youre not concern your own safety. Even this is a hard way, at least you are doing it right. There are wallets that have multiple support for different cryptocurrency and blockchain but you must be careful cause it is still risky. Only left funds on your exchange that you can afford to lose in any case the five advise to you happened.