null v remove snake
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				@ -10,7 +10,8 @@ struct snake* add_snake(struct snake* snake,int x,int y){
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}
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struct snake* remove_snake(struct snake* snake){
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    	struct snake* part = snake;
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	struct snake* part = snake;
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	if (snake == NULL) return NULL;
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	if (part->next == NULL) {
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		free(part);
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		return NULL;
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