Vigenère Cipher Cryptanalysis unknown Key using dictionary of English-language letter frequencies
The following example ciphertexts and their provided keys to test the correctness of My code: Example 1 (key = LEBOWSKI): ELFRQVOUPIUGQHGQELIWOTYEWMOUPWKULXUVADYKLPBZHWIIYHUOHCCBZXISISLWFXIWONSWWIOHAFMWFRUSNOKTE ISGKTMPLOSSWUDAHMUVWFQMCEORRWXOPEOQAGXPTWNWJVYNEIOGLWKSTRHCBZSAEMNSOWBDPHJBRAOBYENHKJOTLX FHKLRMTWTIAKVWHAJHPWNBSIPRKJOLZRBZZVYVYCLSNSLIEWPGKXDMYIOHAJSVRGPBRWBALXJCJKRIWJXOULRZZYH VLAZMDMOPQLSAAVPALLVGESMRUGEICIPIPGPGZYSSHWWMYXCMSSVBPV Example 2 (key = OBROTHER): MPLGXLORUSVOMMSIHVESRVYKVSVSPOSRFFECPPRTVBZBLFSLKJCZYPRUOGFFMBRVHIFIZOMKKJCZGVXSSUYSHUIPC VJSXRFLHGZFLAJZFTKMHBQLGUKFTCICOMFBZHRURJWTBJYCHSFOWHVFOEWFTBKYHXZHAWIIWMDAATQPCVJVTSPJSF KVTUKJKPERXYJLZUFHXSPPCVJVTSPJSFROVVAFBUYSKVSWCGRQHAXFBIFILLLROOUCAZSDOOPGMHVKZFDSGAWZQBE BHAXVZMPCNOSNZPEUMOMJFPRRLOECZCVPNAJVOSECMALVCCJHTJPVGJEMHBVGOUYTHYJRHFYOLCSLQIJOYLHPCVIF XDEIRUYCNNLKVFICTKQRMXZBWFIRMPLFALEIHTXFHDAVOSPGMPPCGIRZEFIWCMCCPALVAFMSGBRKCZFIKZECJBKWH U