draw hangman, by a sum of mistake

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C

_ _ _ _ _ _ _ _ , and there is 8 chance to answer so the hangman display can be representtated as

______
      |
      o
     -|-
      |
     / \

every character in hangman represent as mistake, the word that user input must be checked into words, and after that it will replace the strip with a character if true, characters that have been entered will be true if inserted back, please help me to make this problem to void

[edit]Code block added - OriginalGriff[/edit]