Share Market Alert using BOLT IOT & Telegram

import json
import requests
import time
from boltiot import Bolt
from decimal import *

PREV_DATE="" #create a gloabal variable to hold the yesterday's date
bolt_api_key = ''                 # This is your Bolt Cloud API Key
device_id = ''                    # This is the device ID and will be similar to BOLTXXXX where XXXX is some numbers
telegram_chat_id = '@'            # This is the channel ID of the created Telegram channel. Paste after @ symbol.
telegram_bot_id = ''  #This is the BOT id created in Telegram
alphavantage_api_key=''   #Api key for alphavantage which provides the share price rates
bolt = Bolt(bolt_api_key, device_id)


def price_check(stocksymbol, limitprice):
    url = "https://www.alphavantage.co/query?"
    querystring = {"function":"TIME_SERIES_DAILY","symbol":stocksymbol,"apikey":alphavantage_api_key}
    Limit_Price = Decimal(limitprice)
    response = requests.request("GET", url, params=querystring) #Query string to get the price related to stock symbol
    response = json.loads(response.text)
    #print(response)
    current_price = response['Time Series (Daily)']
    result = json.dumps(current_price)
    datestr= result[2:12] #splice the response to get only the date part 
    print()
    close_price=current_price[datestr]['4. close'] #looking for the latest date closing price

    print ("Company Stock Symbol: ",stocksymbol,"\nDate: ",  datestr,  "\nShare closing price: ", close_price)
    
    #To change the global variable
    global PREV_DATE
    
    #Notify user only when there is change in date
    if datestr != PREV_DATE:
        PREV_DATE=datestr
        #telegram alert with price & date every morning
        message ="Date: " + str(PREV_DATE) + "\nShare closing price is" + str(close_price)
        telegram_status = send_telegram_message(message)
        print("This is the Telegram status:", telegram_status)
        #compare limit and current price
        compare_share_price(stocksymbol, close_price, Limit_Price)
    return close_price
    
def send_telegram_message(message):
    """Sends message via Telegram"""
    url = "https://api.telegram.org/" + telegram_bot_id + "/sendMessage"
    data = {
        "chat_id": telegram_chat_id,
        "text": message
    }
    try:
        response = requests.request(
            "POST",
            url,
            params=data
        )
        #print("This is the Telegram URL")
        #print(url)
        #print("This is the Telegram response")
        #print(response.text)
        telegram_data = json.loads(response.text)
        return telegram_data["ok"]
    except Exception as e:
        print("An error occurred in sending the alert message via Telegram")
        print(e)
        return False


def compare_share_price(stock_symbol,  close_price,  Limit_Price):
    closing_price = Decimal(close_price)
    if closing_price <= Limit_Price:
        print ('Share price is less than or equal to limit price')
        #Bolt Device Alert 
        bolt.digitalWrite("0", "HIGH") #will turn on the buzzer
        time.sleep(60)
        bolt.digitalWrite("0", "LOW") #will turn off the buzzer
        
        #telegram alert
        message = "Alert!! \nCompany Stock Symbol: "+ str(stock_symbol) + "\nShare closing price: " + str(closing_price)  +"\nLimit price: " + str(Limit_Price)
        telegram_status = send_telegram_message(message)
        print("This is the Telegram status:", telegram_status)


company_symbol= input("Enter company stock symbol:")
limit_price = input("Enter the limit Price:")
while True:
    market_close = price_check(company_symbol,limit_price )
    print ('Market price is', market_close)   
    
    time.sleep(3600)