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def main():
    queue = multiprocessing.Queue(-1)
    listener = multiprocessing.Process(
        target=listener_process, args=(queue,))
    listener.start()

    # set up main logger after listener
    worker_configurer(queue)
    main_logger = logging.getLogger('main')
    main_logger.info('Logging from main')

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def main():
    queue = multiprocessing.Queue(-1)
    # set up main logger following example from work_process
    worker_configurer(queue)
    main_logger = logging.getLogger('main')

    listener = multiprocessing.Process(
        target=listener_process, args=(queue,))
    listener.start()

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import logging
import logging.handlers
import multiprocessing
from time import sleep
from random import random, randint


# Almost the same as the demo code, but added `console_handler` to directly
# read logging info from the console
def listener_configurer():

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# comment out logger configuration for worker process
def worker_process(queue):
#    worker_configurer(queue)
    for i in range(3):
        sleep(random())
        innerlogger = logging.getLogger('worker')
        innerlogger.info(f'Logging a random number {randint(0, 10)}')

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# logger configuration uncommented in worker_process
def worker_process(queue):
    worker_configurer(queue)
    for i in range(3):
        sleep(random())
        innerlogger = logging.getLogger('worker')
        innerlogger.info(f'Logging a random number {randint(0, 10)}')


# logger configuration commented out in main

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import logging
from logging import handlers
from time import sleep


def listener_configurer():
    root = logging.getLogger()
    file_handler = handlers.RotatingFileHandler('mptest.log', 'a', 300, 10)
    console_handler = logging.StreamHandler()
    formatter = logging.Formatter('%(asctime)s %(processName)-10s %(name)s %(levelname)-8s %(message)s')

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import requests


credential_provider_endpoint = 'https://<your_credentials_provider_endpoint>/role-aliases/iot-s3-access-role-alias/credentials'
device_cert_path = '<path_to_device_cert>'
device_private_key_path = '<path_to_device_private_key>'
resp = requests.get(
    credential_provider_endpoint, 
    headers={'x-amzn-iot-thingname': 'TestThing'}, 
    cert=(device_cert_path, device_private_key_path),

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import boto3
import requests



def obtain_temporary_credentials() -> Tuple[str, str, str]:
    """Obtain temporary credentials from AWS IoT device certificate and private key."""
    credential_provider_endpoint = 'https://<your_credentials_provider_endpoint>/role-aliases/iot-s3-access-role-alias/credentials'
    device_cert_path = '<path_to_device_cert>'
    device_private_key_path = '<path_to_device_private_key>'

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"""
Original question:
You have three $20 dollar bills, five $10 dollar bills, two $5 dollar bills, and five $1 dollar bills.
How many ways can you make change for a $100 dollar bill?
"""

def find_ways(num_bills, pos_bills, money):
    """
    DP solution. dp is an array of array of array. In the out-most array, index
    represents money, and the content is an array of array, which represents

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import React, {PureComponent} from 'react';
import {
  View,
  Text,
  TouchableHighlight,
  TouchableOpacity,
} from 'react-native';

class Demo extends PureComponent {
  constructor(props) {