Parser

import requests
from bs4 import BeautifulSoup
url = 'https://minfin.com.ua/currency/nbu/'
money = []


source = requests.get(url)
main_text = source.text
soup = BeautifulSoup(main_text)

table = soup.find('table', {'class' : 'table-auto'})
tr = table.findAll('td', {'class' : 'responsive-hide'})
money.extend(tr)
for f in money[:3]:
    f = f.text
    vibor = input("Выберите валюту: doll, euro, rub ")
    if vibor == "doll":
        print("Курс доллара " + f[:7])
        break
    elif vibor == "euro":
        print(f)