so im currently taking a game development class in my high school and im trying to make a character go up, down, left, and right. i have made a symbol for each direction. im working with action script 3 and i dont know how to code each arrow key to correspond to each symbol to make the character move in that direction. it would be awesome if some one could give a step by step example so i can learn a little more by it! thanks

ps: if you need more information than what i gave, let me know.