How to split an integer into an array of digits?

return array as string

>>> list(str(12345))
['1', '2', '3', '4', '5']

return array as integer

>>> map(int,str(12345))
[1, 2, 3, 4, 5]

>>> [int(i) for i in str(12345)]

[1, 2, 3, 4, 5]