You go figure it out. :P

useless.py

import string
import sys
print (lambda c: (string.letters + string.digits) * (c/len((string.letters + string.digits))) + (string.letters + string.digits)[:c-len((string.letters + string.digits) * (c/len((string.letters + string.digits))))])(int(sys.argv[1]))

Try

curl -s https://gist.githubusercontent.com/felixhummel/8914811/raw/556b7db536a358272b87766b78c0a1d2b72643d6/useless.py | python - 255