Let's write a fun CLI quiz

what is require()??

require is a function that allows us to work with modules defined in separate files. If u are familiar with C then require is similar to include.
So the functionality involves reading the specified JavaScript file and returning the export object of the file.

var code=require('readline-sync')

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readline-sync
Basically, it allows to have interaction with the user via the console in a synchronous manner.

To get the user input one can use 'question'

var readInput=require('readline-sync');

var input =readInput.question('Helooooo what's ur name?');
//the user's response is stored in the variable 'input'

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What is chalk??

It basically a styling library for your terminal. You can also chain multiple styles!!

var chalk=require('chalk')

console.log(chalk.red.italic("we are trying out chalk"))

read more about it here.... Chalk js Documentation

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forEach()

A method that allows a function to be executed on every element of the list just as any regular for loop does.

A basic syntax.

array.forEach(function(currentValue, index, arr))

1. currentValue= the current element being worked on
2. index = index of the current element
3. arr=array object the current object belongs to

example

list=[1,2,3,4]

list.forEach((element,index)=>{console.log(index,element)});

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The complete code can be found here