// 1.question
     //Comments can make code readable
// 2.question
     //Welcome to 30DaysOfJavaScript
// 3.question
/*
     Comments can make code readable,
     easy to reuse and informative
*/
// 6.question
let a, b, c, d;
// 7.question
let name = 'satya',
     age = 20,
     married = false,
     id = 1;
// 8.question 9.question
let firstName = 'satya',
     lastName = 'surendra',
     maritalStatus = false,
     country = 'Indian',
     myage = 20;
// 10.question
let myAge = 20,
     yourAge = 21;
console.log(myAge,yourAge);