diff --git a/lesson#6.1/main.d b/lesson#6.1/main.d
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+//	Creating Hangman game
+//	LET'S LEARN: arrays(fixed-length vs dynamic),
+//						strings(char[] vs string) and immutability,
+//						reading strings from the user
+
+import std.stdio: writeln, write, readln;
+import std.string: strip;
+
+void main() {
+
+	/* School event: 10 participants, age and names
+		int age1 = 0;
+		int age2 = 0;
+		...
+		int age10 = 0;
+	*/
+
+	//------------------------------------
+
+	/*
+		data_type[size] name;
+		name[index] to access the ith element
+		name[0 ... < size]
+
+		int[10] name; 	// [0 ... 9]
+		name[6] = ...	// ok, 6 < 10
+		name[12] = ... 	// error, 12 > 10
+		name[10] = ... 	// error, 10 is not < 10
+	*/
+
+	int[10] age = 0; 			// all age variables = 0;
+	char[21] oneName; 			// one dimensinal array, we assume name is no longer than 21
+	char[10][21] manyNames; 	// an array of one dimesional arrays of characters
+
+	/*
+		data_type[size_rows][size_cols] name;
+		name[0 ... < size_rows][0 ... < size_cols] = ...
+	*/
+
+	string oneName_string; 			// the same as char[resizeable]
+	string[10] manyNames_string; 	// the same as char[10][resizeable]
+
+	//------------------------------------
+
+	// trying to modify a string element
+/*	string fruit = "apple";
+	fruit[0] = 'A'; 		// error
+
+	fruit = "orange"; 		// fine
+
+	string[] shoppingList = [ "potato", "apples", "milk", "etc..." ];
+*/
+	//------------------------------------
+/*	
+	int[] myDynamicArray;
+	writeln("Size of myDynamicArray: ", myDynamicArray.length);
+
+	myDynamicArray.length = 3;
+	writeln("NEW SIZE of myDynamicArray: ", myDynamicArray.length);
+
+	myDynamicArray ~= 15;
+	myDynamicArray ~= 98;
+	myDynamicArray ~= 43;
+
+	writeln(myDynamicArray);
+*/
+	//------------------------------------
+
+/*	write("Hi, what's your name: ");
+	//string name = readln(); 			// reads a '\n' new line character
+	string name = strip(readln()); 		// use strip to remove '\n'
+
+	writeln("Hi, ", name, ". Nice to meet you!");
+*/
+	//------------------------------------
+/*
+	string name = "alex";
+	name[0] = 'A'; 			// error, immutable expression
+
+	char[] name = "joshua";
+	name[0] = 'J'; 			// fine
+*/	
+	//------------------------------------
+	
+	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" ];
+
+	// calling main menu function
+	mainMenu();
+
+	// when the game is over:
+	writeln();
+	writeln("Thank you for playing!");
+
+}
+
+void 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") {
+		writeln();
+		writeln("let's play!");
+	}
+}
+
+
+
+
+