<oerjan> learn Isms are philosophies, religions or ideologies that have branched off from older ones, such as Leninism or Buddhism. Etymologically "ism" is a backformation from portmanteaus on "schism".

#!/usr/bin/env python
import sys
sys.stdout.write ((lambda s: "".join([(s[i].upper() if i%2==0 else s[i].lower()) for i in range(len(s)) ]))(open("/dev/stdin").read()))