Continuous variable update within Mainframe

[stringtheorist]

Hi everyone,

Basically, I have created a thread which continuously writes a global variable in a loop. Then I have the mainframe which should read and display that variable.

The problem is that once the mainframe runs, it displays the value of the variable which it read at the time of startup only, and does not continuously update itself. How do I get the mainframe to update it's variable values with a specified interval?

The variable in question is called "data":

Thanks for the help!

#!/Library/Frameworks/Python.framework/Versions/3.5/bin/python3
# -*- coding: utf-8 -*-

from tkinter import *
import time
import urllib.request
from bs4 import BeautifulSoup
import threading
from queue import Queue

data = None

class httpReq(threading.Thread):
    def run(self):
        
        global data
        
        while True:
            url = "https://twitter.com/realDonaldTrump"
            page = urllib.request.urlopen(url)
            soup = BeautifulSoup(page, "html.parser")
            data = soup.title.text
            print(data)

x = httpReq()
x.start()

class Example(Frame):
        
        global data
        
        def __init__(self, parent):
            Frame.__init__(self, parent)
            self.parent = parent
            self.initUI()

        def initUI(self):
            self.parent.title("Example App")
            self.pack(fill=BOTH, expand=True)
            
            frame1 = Frame(self)
            frame1.pack(fill=X)
            
            lbl1 = Label(frame1, text="DATA", width= 20)
            lbl1.pack(side=LEFT, padx=5, pady=5)
            
            lbl2 = Label(frame1, text= data)
            lbl2.pack(fill=X, padx=5, expand=True)

def main():
    root = Tk()
    root.geometry("1920x1080")
    app = Example(root)
    root.mainloop()

if __name__ == '__main__':
    main()