gsampath127

async function do() {
 await Promise.all([saladPromise, sEggPromise, burgerPromise]); 
 
 return "done!";
 }

gsampath127

async function PrepareLunch(){
    let soup = PourSoup();
    console.log("soup is ready");
    let saladPromise = new Promise(function(resolve,reject){
        resolve(PrepareSalad());
    });
    let sEggPromise = new Promise(function(resolve,reject){
        resolve(PrepareScrambledEgg());
    });
    let burgerPromise = new Promise(function(resolve,reject){

gsampath127

async function PrepareLunch(){
    let soup = PourSoup();
    console.log("soup is ready");
    let salad = await PrepareSalad();
    console.log("salad is ready");
    let sEgg = await PrepareScrambledEgg();
    console.log("scrambled egg is ready");
    let burger = await FryBuns(2);
    AddVeggies(burger);
    DressBurger(burger);

gsampath127

async function PrepareLunch(){
    let soup = PourSoup();
    console.log("soup is ready");
    let salad = PrepareSalad();
    console.log("salad is ready");
    let sEgg = PrepareScrambledEgg();
    console.log("scrambled egg is ready");
    let burger = FryBuns(2);
    AddVeggies(burger);
    DressBurger(burger);

gsampath127

newMobile.then((message)=>{
 console.log(message);
 return newBike;

}).then((message)=>{
    console.log(message);
    return newCar;
}).then((message)=>{
    console.log(message);
}).catch((message)=>{

gsampath127

Promise.all([newMobile,newBike,newCar]).then((messages)=>{
    console.log(messages);

}).catch((messages)=>{
    console.log(messages);
});

gsampath127

let newBike = new Promise((resolve,reject)=>{
    let wishToBuy = false;
    if(wishToBuy){
        resolve({"Product":"Harley-Davidson Fat Boy","Price":"15L"});
    }
    else{
        reject({"reason":"Bike is not up to expectations"});
    }

});

gsampath127

newMobile.then((message)=>
{
 console.log("Ready to buy a "+message.Product+" having price "+message.Price);
}).catch((message)=>
{
    console.log(message.reason);
});

gsampath127

let newMobile = new Promise((resolve,reject)=>{

    // searching for a new mobile (asynchronous operation)
    let wishToBuy = true;

    if(wishToBuy){
        resolve({"Product":"iPhone 11","Price":"1L"});
    }
    else{
        reject({"reason":"Mobile is not up to expectations"});

gsampath127

#!/usr/bin/env python
# coding: utf-8

# ## Perform Chi-Square test for Bank Churn prediction (find out different patterns on customer leaves the bank)  . Here I am considering only few columns to make things clear

# ### Import libraries

# In[2]: