function fibonacci(num) {

    if (num == 1)
        return 0;

    if (num == 2)
        return 1;

    let num1 = 0;
    let num2 = 1;
    let sum;
    let i = 2;

    while (i < num) {
        sum = num1 + num2;
        num1 = num2;
        num2 = sum;
        i += 1;
    }

    return num2;
}
 

console.log("Fibonacci(5): " + fibonacci(5));

console.log("Fibonacci(8): " + fibonacci(8));

function sum(a, b, c) {
    return a + b + c;
}

let curry = fn => (a => (b => (c => fn(a, b, c))));

let currySum = curry(sum);
console.log(currySum(1)(2)(3));

const statesURL = 'https://cdn-api.co-vin.in/api/v2/admin/location/states';

require("axios").get(statesURL)
  .then(response => {
    const states = response.data.states;
    console.log('States:', states);
  })
  .catch(error => {
    console.error('Error fetching states:', error.message);
  });

// at last 34 is up state's id to fetch district of up

const statesURL = 'https://cdn-api.co-vin.in/api/v2/admin/location/districts/34';

require("axios").get(statesURL)
  .then(response => {
    const states = response.data.states;
    console.log('States:', states);
  })
  .catch(error => {
    console.error('Error fetching states:', error.message);
  });

for(i = 0 ; i < 5; i++){
setTimeout(res=>console.log(i), 0)
}

00:00:00 - Intro of video
00:02:26 - Introduction to node js
00:05:59 - Setup node js environment 
00:07:33 - Installing Visual studio Code IDE
00:08:39 - Installing Node js
00:12:58 - Understand about node folder setup
00:15:18 - Basic function of js console.log
00:19:25 - Basic Datatypes of js (Start of basic javascript)
00:25:15 - Variables and Constant in js
00:33:45 - Js Object and List (Array)
00:53:08 - Javascript Operators
01:02:24 - if else Control statement in js
01:08:00 - while and for loops in js
01:17:01 - functions in javascript
01:21:23 - Understand asynchronous javascript
01:26:52 - Understand why async/await in js
01:31:01 - Understand js callback functions
01:36:38 - Use of built in modules in js (example: fs module)
01:40:32 - installing external libraries and fetching data (example axios)
01:48:14 - Anonymous functions in js
01:51:38 - Some of my words for why you learnt this js