Kompresja

import re

def compress():
    texts = ["AndrzejAndrzej", "TomekTomek", "AndyAnd", "KamilKmail", "KasiaKasia"]
    for text in texts:
        if len(text) % 2 is 0:
            half = len(text) / 2
            if text[:half] == text[half:]:
                print "({0})".format(text[:half])

def uncompress():
    uncompressed = ""
    group = ""

    texts = ["Anr(z)e(jek)", "(Ka)mil(os)", "Domi(nn)ik(awe)"]
    for text in texts:
        for i, c in enumerate(text):
            if c is not '(' and c is not ')':
                uncompressed += c
            if c is '(':
                while text[i+1] is not ')':
                    group += text
        print uncompressed
        uncompressed = ""

uncompress()