"""Power Digit Sum

2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.

What is the sum of the digits of the number 21000?
"""
assert sum(int(x) for x in str(2 ** 1000)) == 1366


"""Power Digit Sum

2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.

What is the sum of the digits of the number 21000?
"""
assert sum(int(x) for x in str(2 ** 1000)) == 1366

Remove redundant empty line at end of file
Remove redundant empty line at end of file

There is no need to have multiple empty lines in the end.
