Сортировка пузырьком

def New(main_list, min_i, max_i, count):
    print ("Enter a value in the range from  ", main_list[min_i] , " to ", main_list[max_i], ": ")
    number = float (input())   
    k = min_i + (max_i - min_i) // 2
    rr = count
    count = count -2
    while count>k-1:
        main_list[count+1] = main_list[count]
        count=count-1
    main_list[k] = number
    print (main_list, "---------")
    i = 0 
    j = 0
    while i<rr-1:
        while j<rr - i - 1:
            if abs(main_list[j]-number) > abs(main_list[j+1]-number):
                temp = main_list[j+1]
                main_list [j+1] = main_list[j]
                main_list[j]=temp
            j=j+1
        i=i+1
    return main_list

from random import randrange
from time import sleep
import tkinter as tk
 
root = tk.Tk()
canvas = tk.Canvas(root, bg='white', width='800', height='400')
canvas.pack()
 
ndigits = 10
digits = [randrange(10) for _ in range(ndigits)]
tdelta1, tdelta2 = .8, .2
xstart = 300
xdelta = 25
y = 80
 
 
def color(i, swap):
    x = xstart + xdelta * i
    dcolor = 'Red' if swap else 'green'
    canvas.itemconfigure(items[i], fill=dcolor)
    canvas.itemconfigure(items[i + 1], fill=dcolor)
    canvas.update()
    sleep(tdelta1)
    canvas.itemconfigure(items[i], fill='Black')
    canvas.itemconfigure(items[i + 1], fill='Black')
    canvas.update()
    sleep(tdelta2)
 
 
def swap(i):
    digits[i], digits[i + 1] = digits[i + 1], digits[i]
    canvas.move(items[i], xdelta, 0)
    canvas.move(items[i + 1], -xdelta, 0)
    items[i], items[i + 1] = items[i + 1], items[i]
 
 
def bubsort():
    for stop in reversed(range(1, ndigits)):
        # stop = index of position whose entry will be determined.
        for i in range(stop):
            swap_needed = digits[i] > digits[i + 1]
            color(i, swap_needed)
            if swap_needed:
                swap(i)
                color(i, False)
 
 
# Create display items and pause.
items = [canvas.create_text(xstart + xdelta * i, y, text=str(digit))
         for i, digit in enumerate(digits)]
canvas.update()
sleep(tdelta1)
bubsort()