Basic_Tkinter_Randomizer.py

import random
from tkinter import *

while True:

    ans = 0

    rand = Tk()

    start = IntVar()
    stop = IntVar()

    rand.wm_attributes('-topmost', 1)
    rand.wm_title("Randomizer")

    randtext = Text(rand, width=15, height=1)
    randtext.pack()
    randtext.insert("1.0", "Start Number:")
    randtext.config(state=DISABLED)

    rand_start = Entry(rand, textvariable=start)
    rand_start.pack()
    rand_start.delete(0, END)
    rand_start.insert(0, "0")

    randtext2 = Text(rand, width=15, height=1)
    randtext2.pack()
    randtext2.insert("1.0", "Stop Number:")
    randtext2.config(state=DISABLED)

    rand_stop = Entry(rand, textvariable=stop)
    rand_stop.pack()
    rand_stop.delete(0, END)
    rand_stop.insert(0, "0")

    randans = Text(rand, width=15, height=1)
    randans.pack()
    randans.insert("1.0", ans)
    randans.config(state=DISABLED)

    def button():
        global ans
        rand1 = start.get()
        rand2 = stop.get()
        ans = random.randrange(rand1, rand2)
        randans.config(state=NORMAL)
        randans.delete("1.0", END)
        randans.insert("1.0", ans)
        randans.config(state=DISABLED)
        return

    def randquit():
        global b
        b = 1
        rand.destroy()

    button = Button(rand, text="Randomize", command=button)
    button.pack()

    button_quit = Button(rand, text="Quit", command=randquit)
    button_quit.pack()

    mainloop()

    if b == 1:
        break
    else:
        pass