from tkinter import *
import requests
from bs4 import BeautifulSoup
from datetime import datetime

url = "http://www.cbr.ru/scripts/XML_daily.asp"

response = requests.get(url).content

xml = BeautifulSoup(response, "lxml")

def get_course(id):
    return xml.find("valute", {"id": id}).value.text

window = Tk()
window.title("Курс валют")
window.geometry("400x350")

img = PhotoImage(file="logo.png")
logo = Label(window, image=img)
logo.place(x=0, y=0)

label = Label(text="Курс валют")
label.place(x=150, y=25)

usd_label = Label(text="$" + get_course("R01235"))
usd_label.place(x=190, y=100)

window.mainloop()