AnshKapoor

class MyArray {
  static [Symbol.hasInstance](instance) {
    return Array.isArray(instance);
  }
}

const arr = [1, 2, 3];
console.log(arr instanceof MyArray); // true

AnshKapoor

// Taken from https://h3manth.com/posts/Well-known-symbols/
class Life {
  [Symbol.toPrimitive](hint) {
    switch (hint) {
      case "number":
        return 100;
      case "string":
        return "Hundred";
      case "default":
        return true;

AnshKapoor

import React,{Component} from 'react'
class App extends Component{
  constructor(){
    super()
    this.state = {
      firstName : "",
      lastName  :"",
      isFriendly:false,
      defaultText:"This is textArea"
    }

AnshKapoor

import requests
from io import BytesIO
from PIL import Image


r = requests.get("https://cutewallpaper.org/21/anything-wallpapers/Anything-Wallpapers-Wallpaper-Cave.png")
image = Image.open(BytesIO(r.content))
path = "./image."+image.format
try:
    image.save(path, image.format)

AnshKapoor

# pip install simplejson

import simplejson as json   # Importing simplejson with a different name for ease of use
import os
if os.path.isfile("./ages.json") and os.stat("./ages.json").st_size !=0: # Checking if a file exists and size is not zero
    old_file = open("./ages.json", "r+")
    data = json.loads(old_file.read())
    print("Current age is:", data["age"])
    data["age"] = data["age"]+1
else:

AnshKapoor

newFile = open("newFile.txt", "w+") # Opening the file in writing mode
string = "This is the content to be written into the file" # Content to be inserted into the file
newFile.write(string) # Writing the content to file