basic maze problem with turtle

[baujacob]

Hi everyone, I'm trying to create a simple maze program. When the user finishes 
the maze, I want to print in big letters "You Win!" and when the user hits a 
wall, I want the user to go back to the beginning of the maze. The problem is 
"collision detection" which is an advanced topic and I'm only in a beginning 
programming class. Is there anyway I can force the user back to the starting 
point when the turtle hits the wall? Thank you in advance.
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