pythonchallenge.com problem 2 solution

We had to translate the relevant characters:
k ->m
o -> q
e -> g


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#!/usr/bin/python
import string

str1 = "g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp. bmgle gr gl zw fylb gq glcddgagclr ylb rfyr'q ufw rfgq rcvr gq qm jmle. sqgle qrpgle.kyicrpylq() gq pcamkkclbcb. lmu ynnjw ml rfc spj"


str2 = string.maketrans(string.ascii_lowercase, string.ascii_lowercase[2:] + string.ascii_lowercase[:2])


print str1.translate(str2)





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Answer = map => ocr

challenge 3:
http://www.pythonchallenge.com/pc/def/ocr.html


 Learning:
string module: import string

string.ascii_lowercase => 'a-z' characters string

mapping = string.maketrans(str1, str2) => creates the mapping for str1 chars to str2 chars

s1.translate(mapping) => returns translated string