4_PRACTICESET1.js

// 1
let a = "Hello world"
let b = a + 3
console.log(b)

// 2

console.log(typeof b)

// 3 

const dict = {
    name : "Amrit",
    roll_no : 89
} 


// dict = 9

// 4

dict['class'] = 'XII'

// 5

const dict2 = {
    'gleeful' : "happy",
    'gloomy' : "sad",
    'pove' : "tease",
    'persistance' : "doing something or trying to do something even though it is difficult or opposed by other people",
    'yakka' : "hard work"
}


console.log(dict2)