def radixSortLSD(alist):

if len(alist) == 0:

return

if len(alist) == 1:

return alist

tempList = alist

maxNum = max(alist)

radix = 10

while maxNum * 10 > radix:

newArr = [[], [], [], [], [], [], [], [], [], []]

for n1 in tempList:

testnum = n1 % radix

testnum = testnum // (radix / 10)

for n2 in range(10):

if testnum == n2:

newArr[n2].append(n1)

tempList = []

for i in range(len(newArr)):

for j in range(len(newArr[i])):

tempList.append(newArr[i][j])

radix *= 10

return tempList

print(radixSortLSD([10, 12, 24, 23, 13, 52, 15, 158, 74, 32, 254, 201, 30, 19]))