Tkinter Randomizer 2.py

import random
from tkinter import *

def randomize(x, y, z):
    a = []
    while z:
        a.append(random.randrange(x,y))
        z = z - 1
    d = str(a)[1:-1]
    return d

b = 1

while b:

    ans = 0

    rand = Tk()

    start = IntVar()
    stop = IntVar()
    amount = 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")

    randtext3 = Text(rand, width=15, height=1)
    randtext3.pack()
    randtext3.insert("1.0", "How many:")
    randtext3.config(state=DISABLED)

    rand_amount = Entry(rand, textvariable=amount)
    rand_amount.pack()
    rand_amount.delete(0, END)
    rand_amount.insert(0, "0")

    randans = Text(rand, width=15, height=10)
    randans.pack()
    randans.insert("1.0", ans)
    randans.config(state=DISABLED)

    def button():
        global ans
        rand1 = start.get()
        rand2 = stop.get()
        rand3 = amount.get()
        ans = randomize(rand1, rand2, rand3)
        randans.config(state=NORMAL)
        randans.delete("1.0", END)
        randans.insert("1.0", ans)
        randans.config(state=DISABLED)
        return

    def randquit():
        global b
        b = 0
        rand.destroy()

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

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

    mainloop()