from threading import Thread
from time import sleep
import tkinter as tk

def hello():
    i = 1
    while i < 10:
        print(f"Hello {i}")
        i += 1
        sleep(1)

t1 = Thread(target = hello)
t2 = Thread(target = hello)

#t1.start()
#t2.start()

tk.Tk()
sleep(10)