new_contents: #!/usr/bin/python
  
  import sys, string
  
  cipher = sys.argv[1].upper()
  
  charset = string.uppercase
  
  for shift in range(27):
  	plain = [charset[(string.uppercase.index(c) + shift) % len(charset)] for c in cipher]
  	print "[%02d] %s" % (shift, "".join(plain))
  
subject: Create caesar.py