var bob = {
    firstName: "Bob",
    lastName: "Jones",

    phoneNumber: "(650) 777 - 7777",
    email: "bob.jones@example.com"
};

var mary = {
    firstName: "Mary",
    lastName: "Johnson",

    phoneNumber: "(650) 888 - 8888",
    email: "mary.johnson@example.com"
};

var contacts = [bob, mary];


printPerson (person){
    console.log(person.firstName + " " + person.lastName);
};
printPerson(contacts[0]);
printPerson(contacts[1]);