Analyse Substitution Cipher

substitution-analyser.py

from string import ascii_lowercase

ITERATIONS = 3

charMapping = {}
charControl = 0

for char in ascii_lowercase:
	charMapping[charControl] = char
	charControl+=1

CODE = 'VHFXULWB'
CODE = CODE.lower()

def applyIteration(code, key):
	print 'Key='+str(key)
	result = ''
	for char in code:
		result = result + charMapping[(ascii_lowercase.find(char)+key)%26]
	print result

for key in range(26):
	applyIteration(CODE, key)