write less and easier to follow code. Just think how bad it would be if you were doing something like checkers on a 8 by 8 grid without an array.
Lets look at the other examples I said you should try. In hangman you want to keep track of what letters have been guessed already. You could have 26 variables a_guessed, b_guessed, through z_guessed and so on, or you could have an array of guessed
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