OnePro

class Email:
    def __init__(self, receivers, subject='', body='', files=None):
        self.sender = EMAIL_SENDER
        self.receivers = receivers
        # Create the message
        msg = EmailMessage()
        msg['Subject'] = subject
        msg['To'] = ', '.join(receivers)
        msg['From'] = self.sender
        msg.set_content(body)

OnePro

from concurrent import futures
from random import randint
import time, os, math, logging, logging.handlers, pprint
import multiprocessing

formatter = logging.Formatter('[%(asctime)s] - %(name)s - %(levelname)s - %(message)s')
cons_log = logging.StreamHandler()
cons_log.setFormatter(formatter)
handler = logging.handlers.WatchedFileHandler('status.log')
handler.setFormatter(formatter)

OnePro

/**
 * This is the detail about the constructor
 * @class Main class for all books
 * @param {String} title Book title
 * @param {String} author Name of author
 * @param {Number} pages How many pages in the book
 */
class Book {
  constructor(title, author, pages) {