Corn snakes are good snakes for starters. If you read through some of the other posts, corn snakes are mentioned a number of times with some good information. They come in some really pretty colors, too.
However, they can get up to 1-1.6 or so meters long. Some of the milk snakes stay a little smaller. Do lots of reading up so you know what you want AND what it needs from you before you get it. You're off to a great start checking in here!