diff --git a/code/fried.py b/code/fried.py
new file mode 100644
index 0000000..c7c8fcb
--- /dev/null
+++ b/code/fried.py
@@ -0,0 +1,25 @@
+import numpy as np
+transposes = ['GADSJFEDVAWFYJSGLSGFVELTSWZGKNYGWGKWFZWZJFJZFDLFJKFLLJLESJUVFHMJWKJNWAVSKSHWSWHGWEZWGATVDJLMWWWWODAUUJFTSDFFLSWAAEUFKJQSKJFGYWAAVFVLSSVLJWTVSWJLJFFFZJWLQSAGQFAZEDFSZGDFVSKEJXDLFOZGVKHNGETLLKGKWHJLZLJEXGWDHWAGLJGGOKSLHMSXWAVWGZWEWAAJVSJGWYXUAKXYZVXJGYFDGXMKFASFAAHGDAHYJJZWXWWGWXJZWLHVLDIFJWJWLGALFEWWMAFKZLAWLAZGVHXQSKGZJLLDVWFWAYWFZFVWYFSDDDXMWWAWQQLXZGFYFAVBSALVJDAJGELLGDW', 'BUSYARSCSBFUSOAAHHFCWSVSFFCCVOVAOFHFHSBSSGIDHZOSSHUCWSFPHSSCRFZVBOISPKGACAWFFOSCFCOFRBHFSSVBGBCGVSGVYSROAZAOOHTRGMSKOMVAASRDHBFBOCOVBACKRRSIZADOSMUHSBQKQBGQUHBHSMWBSFZZWWOSSCDBPOGJCHHSCSIHVDBGKCHSSSQIFKASSTFFVCOIVWBTDBGORGSRDCCCBBBOOHRCJWHMBCMFOCMCFOUSHWFCRBRWCBZSJBZCSSHBFBFCRZWZGVWBVSISUBODVDFVHDSGBGQVOFGPSASFWFPHHPHWFVOQAOCORSEBOCCYUHBISIHZOGHAPVVASFBGUBPIAGVSSOACBMVZBZF', 'CHIAACORDGEANPBEEMOTSMERAWSREITMSRLAMAORAASUHESVSIOOSNAEEAAONEGENILNUAOEFENDCRNRERTITGIEVAEBTONPINPOTMNCBMEGPLOISWLHNEEOYTNEHWTTSFYECIRIOARPLYENTBMOGDOORDARRRGLWNGSREEYSNNALRAOESEEOUUHRATIEOEOOUHRRRETINOASODEEKPBATDRYMTSFSNIELFRSGTICIAREBOUKMOISMOAEGBEHENMMIANNGIREGIESTTSOSATOOEEESTEYNAPEOVRIHDEOEHODDHOUUTALPRETOIHBYHSOIILANRNELUETFREEODTAMHHVSTYEEYYREETSGUSBEEMAMSWTSAITBM', 'YNJHHOZYHMWMNJYPLSHBNVVUNLNYXHNSYIYLUHLYHXNLLXNYIFZXMNHLPNNLIMLMIXSYNMALUNAIYXYXUYXHBZHUYGMLCNFIMIYGBYIEYSVUJILMICYUXRUGMCIHYCUBNNMFYHMNLVXIUWLXBCSMLYOLYMCUCUZSBUBBUGXZWFMHYQAFCVYBLJLCQMNHJEQOLLYYNYFNYVLPBLMMMYNNNMMIGYYNUIVLNSHYNUIAOHHNFYFHCCLGNCLENYORYLYMIHNAMNAVNQALMBBYGYJZHIXHUYYJGIZYNLYIHYILLMYFUYUGHFBFFFUJBJLUYNUMQHXUCAYXHMIPQJZXNNNIPYUUYOBXUUZXUUPCNIMNYSMIGJNMBINYBYI', 'MVGVQJXOWMSGDAJAWUDAAWDFWGMSLDGTGOFWAYWXVMDHAEAJLDEJGJUVAAELLWWADAQKLFWSASSGOQVSFVSYWWYEJTAGDGQCHJJMWJLAJKMAAMWMEFLLLHJWLKLZKLFWSZGWEMLZDGGFKZUFWJKESUFWKZVNENJKSELGNMLGGQOANWJAFDAATGWKAFZYDWGDVFJVZVQWFWJWSWSLLFDDAGLESJJSKFGYZTWTADKZKXVZNLALFFWMDFWAZVLHXQVUJYWGNZZMNAZKSWWJSJZSLJLLFFJWWJXFLWFHYLJLOLJSMKFWLQWEEGNJAZVLFZVGDLWKVWUJOFLWGSAMLZZFWSLLEFWGCJGGNFWDAFLSJWWFADJZWMKKWDJ', 'CEAJNVBUNQZSLAQFQULAAERQQHCTULOBSSBNQRABGAVYYRPSUGLRZRRBFALUUAJGBBBFUNACACGENBJEQREYENQFQRYXYXJRRRREJRUAGBEAAQFERQZGUYGARGURUUQEGRSNNGNZNIBNWNUBAQNVIBGGGNNRNRBUGRFERPUJHGRANPRITRAFVAQPGRRYNBEVUBGARGZEQSBZIGVNVOLRGABFFPSAGTERNHIHYYZGUEORRBABTBJALBZAVVAEBRVBRJNARNGGVGGUUANCAFVYUJUGTGRAZRGGUDAUBFQRUGRGARGORVEVRERBARBUQNBHNUACRYYNUNUEEERCURRVAFYULOOBSGEBRQEYYGBOQFRFAVRVSYUSSVR', 'OEDEQORIRDESRGOITATGCIAEYGOEEIOOSORNELARHCNELWTEAHHPEAAOIGCIITSANRUIEPTPTPMTSUIKNEKOERRNAFEENEONRTDMOLITUUNIGEUETOEHIOBTRHIRUMFEESYSDEYIDERBUMETTBDLEREHBVRNNNMOTIPENHILRHRGNAEIESGCRTBHHVROCNDNETHONIOESOWEEHDRLYSSULROTIODESESTRETLMIIIOUNTOKFWUHGGUEGSNOEWYNRIISTLTGWOHGENMIEUWMLERYHETSTOQHHIUEEFTEMEOAETREYDIENTENPGTRESTRLDENANSADOMTMDTNSETNAOAISLRURRAMRNTFILHFOOHMTGGASLFALLF', 'JWAWQQCHHAWKWWKPWIDIPPGWEDJNIDNGKNAZJOIAAACYAEAHPAAARPPNPADOJHPPCINEBLHEHEUDODZJKLJJSEAKNKJJAJNSADWQNUJKNHEDONNHDSOAONAWUAJAPWHOHWKPAOAAUILQOXZDDABEWQJKAAPCZSPNDOHMJEOPOKHHYJEJROXDZDQWOAWJEHWPZDAPDHNZDNDWBAJPHNLOPUAIABHBNKPKIZNPXUHSKJOQOGEWDOWWWOWJECOOHAPAOPADRPHDHPHOAANNJQSOPACAHDLDNQEAOKRPAERLPOOUAPZDPIECAMJDKOZWWCASAZEOSJOEIADKKEZPAAEJXPALKKOPKJBMJDHOEALRKWEDWDIOKNZKKP', 'JAAAJBXNHWCVYCAXYKRXUFMLWCCUXJABACOAFWNEBAXDMCACWKJJRRVBXWJRPHARNJOVJRHWHWLJDNNNCRNPXWJVNALJBJMJMRWAMCPCWFWNXCNHRUNAVNBWNFPRCWDCHRAXQCMWYHNBCNJRRPJWWVJDBWBQJJQNHXDDNVDXNDRRHWWPNNRJXNBVDAENMHBQRRWJNUNXJNNBUWNUWNXBCBLNADUXCWRONNWQNORQWCCYRVWWJKCRDKWNBDHBFBXCJQANNQXXNQXQECPOBWQCDCXNBNRNRJBJUCNBEURCQBQNMUXXNYBRUDNNOCNEKXCRWRCJQJYJCUNADWRJKVPBUXCXWTCJVMADNNRBBYJNAEWJWCRQXXXJXN', 'VHNHRECRWUJNYVCAYNBAHJNQPRQHAMXBAQXJQJUNRCOAVQAKXNACBWHXACVCVVXWAMXYLWHPHPQCAACBQWBRWPVXMNNWBWCBFBMNUQVQRRPJVQUCWJNNHUCMGRVONHCNAWNKNXQXNLACJAWWBDWPMXWPQCDJWWNCUWCXEJWQBPCCKXPQAMAVABCKLVNUKCRJMWQOORCCEXFVXCENNYTJNCJDFUXURNUQUWNNPJWNNXJXWHPLCRCWWRCEJNURQWVQCVNLCNJBCNJJNQADNPXROLMKQNCONOTWXQAJRUUNNNXCXJWAUUCUUXECNRENXMNCRBBRXVJWQNANAPBAJYQQJTQTNNJTXCXXEACRBJUVJNPCMXWJAVFCAM', 'IWDONOTNAYPOIYIIIRAEISCSETEIRSWUOERDOMERLAETEFOEWATIIGCMERBIOYNGSARLTGOAOTAIEEHSITSSDDIRTBWDGDHTOIADEIOENTSREAYHGTTASEITPNOLRATPATNENPEFRHCOBDDGEICBSFCHOHRSCDNEOTOTERGEOHTTOTTUYWDBBCAEHONYUHFTOGEELSHHENIYWHEDSLEIROUNHDWLLBLIABVRUNGEDFNNKSFYTRHLTRIETSLNOOYIDYCULLTELLTLROEMEBSNTHHYERERSFIDSTMILIWRRDRANNTRLOHEMTESVLINVWLHFTHNMERTENABSBHTCETOCEYELNBEUAMTEATTILLYNAOITEGDAOTISN', 'JNCBZRKUVZVTTIYSTJTGXOKKSYLCUULXCRZOSKYSQOGGLGXLZZOTZKNKTGKYXYMZOSMUOGATAGSYOOKZTUVZKUTZUAGZGZKNXCTHTYXIMNUJCTYGGZNZZZRNRJXACLKVBRUOUVHRIGNLUUYSHREEZZKZXUKZOKORXNTNXBGGVORRXNNSKOGKKAHXTXYUYGNUALAGAIGKLZRNTKXGYETJYIMNUOKURAZYTUKGOIYRYHJZOKGZNJOEGJTXKYGMYCHYONRYOGKBOGORSACKTEKQKOGZNKGUUUTLZNUJVLNYZZKRZJNUSXKGKNXGORRZKKRYCGGZZRGSGUBKOOXOQYYXQTYTOWUZZQUNXBOZZRGIJRLYNXZUTANTNK', 'BWSSOIBRDVWSUVGIUCRVSBADPUZWKIFQGCVOHZGCSBQWWBGCCWGUCBOZHBFOSCSVFHWFGBQRQDPQVCRVUHSCFIUORHGVJVFSRVSOCOSVOWCOVPOHHWSWSAZWCOSBVZFSSMHGHSICVASDJCOCCWWHSVWVBIBZSFUZRSWHASWFZHSSSSOOHHPFOZCROSWBHHWBHOHHHOBFZVZCPPAHPGRWWYVOAGRKVFVVQFFJZMHSSWRVBZBVWCGUBCQABWPHSPCOJSWVBARSBABDCURRQGTZRQHVOGBATVRCZSFWFPSSSVRZVSWFSSFRWHAWZWPVIPHCWBZSVSFOBFSHUFWBWHDSDCCZBIJVASTHASBWHWGVVZORSVVKRHOUOJ']
+
+def compute_frequencies(block):
+     letter_count = {}
+     letters = [chr(i) for i in range(ord('A'), ord('Z')+1)]
+     for l in letters:
+            letter_count[l] = block.count(l)
+     return letter_count
+
+def coincidence(block):
+         compute_frequencies(block)
+         freq = compute_frequencies(block)
+         sum = 0
+         for f in freq:
+             sum += freq[f] * (freq[f]-1)
+         kappa = float(sum)/(len(block) * (len(block)-1))
+         return kappa
+for t in transposes:
+    print("kappa", coincidence(t))
+
+for t in transposes:
+    d = compute_frequencies(t)
+
+    print(chr((ord('E') - ord(d.keys()[np.argmax(d.values())]))%26+65))