You're building a welcome message system for a website that greets users by their name. To do this, you need to combine (join) multiple strings to create a full greeting message.

Your task is to:

• Declare & initialize a variable called username with "Alice";
• Declare & initialize another variable called welcomeMessage which contains the concatenation of the following three in order: "Hello, ", username, ! Welcome to our website.;
• Output the contents of welcomeMessage;