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lesson#6.2/main.d

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+//	Creating Hangman game
+//	LET'S LEARN: for loop, random number generator
+
+import std.stdio: writeln, write, readln, readf;
+import std.string: strip;
+import std.random: uniform; // random number generator function
+
+void main() {
+	int lives = 3;
+
+	// dictionary contains words that player will have to guess
+	string[10] dictionary = [ "apple", "orange", "volleyball", "laptop",
+							"universe", "chicken", "theater", "window",
+							"violin", "guitar" ];
+					
+	// generate a random number (index)		
+	int index = uniform(0, 10);
+	string word = dictionary[index]; 		// copy the selected word
+	char[] displayWord; 					// we print it to the screen
+	for(int i = 0; i < word.length; i++) {	// initialize displayWord by '_' to depict how many letter the selected word has
+		displayWord ~= '_';
+	}
+
+	// calling main menu function
+	bool gameOver = mainMenu();			// mainMenu return false if player decides to play, true if player exits
+
+	char guess;							// a variable to store player's guess
+	int lettersGuessed = 0; 			// we need to know how many letters were guessed
+	while(!gameOver) {
+		printWord(displayWord);
+
+		write("Your guess, please (", lives, " lives): ");
+		readf(" %s", guess); 			// read player's guess
+
+		int temp = lettersGuessed; 		// save how many letters were guessed
+		for(int i = 0; i < word.length; i++) {
+			if(guess == word[i]) {
+				displayWord[i] = word[i];
+				lettersGuessed += 1;
+			}
+		}
+
+		if(temp == lettersGuessed) { 	// if player didn't guess correctly, lives = lives - 1
+			lives--;
+		}
+
+		if(displayWord == word) { 		// if player guessed everything correctly, he won
+			writeln();
+			writeln("You won!");
+
+			break;
+		} else if(lives < 0) { 			// if player has no more lives left, he lost the game, and we print the selected word
+			writeln();
+			writeln("You lost!");
+			writeln("You had to guess: ", word);
+			break;
+		}
+	}
+
+	// when the game is over:
+	writeln("Thank you for playing!");
+}
+
+bool mainMenu() {
+	writeln("Hello! Welcome to Hangman game!");
+	writeln("(1) Play");
+	writeln("(2) Exit");
+	write(":_");
+
+	string line = strip(readln());
+	if(line == "play" || line == "Play" || line == "1" || line == "p") { // if line = to either of these, then play, else, quit
+		return false;
+	}
+
+	return true;
+}
+
+void printWord(char[] word) {
+	for(int i = 0; i < 3; i++) {
+		writeln();
+	}
+
+	for(int i = 0; i < word.length; i++) {
+		write(" ", word[i]);
+	}
+
+	for(int i = 0; i < 3; i++) {
+		writeln();
+	}
+}
+
+
+
+
+