mylist = [170, 45, 75, 90, 802, 24, 2, 66]

print("Original array:", mylist)

radixArray = [[], [], [], [], [], [], [], [], [], []]

maxVal = max(mylist)

exp = 1

​

while maxVal // exp > 0:

​

  while len(mylist) > 0:

    val = mylist.pop()

    radixIndex = (val // exp) % 10

    radixArray[radixIndex].append(val)

​

  for bucket in radixArray:

    while len(bucket) > 0:

      val = bucket.pop()

      mylist.append(val)

​

  exp *= 10

​

print(mylist)

​