from bs4 import BeautifulSoup
import requests
from time import sleep
from datetime import datetime
import smtplib

page = requests.get('https://www.terabyteshop.com.br/produto/5945/monitor-gamer-benq-zowie-xl2411-full-hd-24-pol-144hz-1ms-c-hdmi')

soup = BeautifulSoup(page.content, 'html.parser')

price = soup.find_all("p", class_="val-prod")[0].text

print(price)

smtp = smtplib.SMTP('smtp.live.com', 587)
smtp.starttls()

smtp.login('seu_email', 'sua_senha.')

de = 'seu_email'
para = ['email_destino']
msg = """From: %s
To: %s
Subject: Preco Monitor = %s""" % (de, ', '.join(para), price)

smtp.sendmail(de, para, msg)

smtp.quit()