Tkinter bubble sort

from tkinter import  *
root = Tk()
root.title("Ridho Aditya")

def bubbleSort(number_list):
    for number in range(len(number_list)-1,0,-1):
        for i in range(number):
            if number_list[i] < number_list[i+1]:
                temp = number_list[i]
                number_list[i] = number_list[i+1]
                number_list[i+1] = temp
    return number_list

dataArr = [25, 57, 48, 37, 12, 92, 80, 33]
label1 = Label(root, text="Unsorted : ", fg="red")
Lb1 = Listbox(root, width="40")
i = 1
for x in dataArr:
    Lb1.insert(i, str(x))
    i += 1
label1.pack()
Lb1.pack()

label2 = Label(root, text="Using Bubble Sort : ", fg="green")
bsort = bubbleSort(dataArr)
Lb2 = Listbox(root, width="40")
i = 1
for x in bsort:
    Lb2.insert(i, str(x))
    i += 1
label2.pack()
Lb2.pack()

mainloop()