Fetches the current Bitcoin price in USD and saves it to a local file

btc_price_checker.py

import requests
import json
import time
from datetime import datetime

while True:
        response = requests.get('https://api.coindesk.com/v1/bpi/currentprice.json')
        price = response.json().get('bpi').get('USD').get('rate')

        now = datetime.now()
        dt_string = now.strftime("%m/%d/%Y %H:%M:%S")

        result = '[' + dt_string + '] BTC Price: $' + price
        print(result)

        file1 = open('btc_price_history.txt', 'a')
        file1.write(result+'\n')
        file1.close()

        time.sleep(15)