Raghav Maheshwari raghavddps2

Resources for the Webinar on Introduction to API's and Creating a Basic CRUD API in flask.

Install Flask

pip install flask

https://flask.palletsprojects.com/en/1.1.x/installation/
Install firebase-admin

	import os
	import json
	import base64
	import asyncio
	import websockets
	from fastapi import FastAPI, WebSocket, Request
	from fastapi.responses import HTMLResponse
	from fastapi.websockets import WebSocketDisconnect
	from twilio.twiml.voice_response import VoiceResponse, Connect, Say, Stream
	import boto3

	class Solution {
	public boolean isValidBST(TreeNode root) {
	return isValidBST(root, null, null);
	}

	/**
	The key to solving this problem is that, we use low and high values and not
	just depend on making sure that a particular node is greater than or less than its parent.
	*/
	public boolean isValidBST(TreeNode root, Integer low, Integer high) {

	interface Vehicle
	- double calculateCo2Emission(Trip t)

	class Car implements Vehicle
	- double calculateCo2Emission(Trip t)
	* valueFromHashMap * t.distanceInKm
	class Train implements Vehicle
	- double calculateCo2Emission(Trip t)
	* valueFromHashMap * t.distanceInKm
	class Bus implements Vehicle

	import java.util.Scanner;
	import java.util.*;

	public class Main{


	public static boolean checkPallindrome(int num){

	int actualNum = num;
	int reverseNum = 0;

	public String generateOrderId(OrderDetails orderDetails){
	StringBuilder sb = new StringBuilder();

	if(orderDetails.getIsOneDayDelivery().equals("Y") \|\| orderDetails.getIsOneDayDelivery().equals("Yes")){
	sb.append("#Y");
	sb.append(String.valueOf((int)(orderDetails.getOrderedItemType().charAt(0))));
	sb.append(String.valueOf((int)(orderDetails.getOrderedItem().charAt(0))));

	}
	else{

	function getFiles(){
	return new Promise((resolve,reject)=> {
	exec("ls -la", (error, stdout, stderr) => {

	let fileNameArr = []
	if(error){
	console.log(`error : ${error.message}`);
	return;
	}
	if(stderr){

	import logo from './logo.svg';
	import './App.css';
	import React, { useState } from 'react';


	function App() {

	const [tweets,setData] = useState([""])
	const onclick = (e) => {
	const newData = [...tweets,""]