basic encryption/decryption script
PQPX WX ED RRNJBJJJ YRWMSW. LMAAL FFJ EFJH SNYJ AY XDA YVNK TJN PX ANFJ. IH CNUJFJNN JNDMWW EB TD PJKY BAPJBI. A RQBA ROXLJN RA FG N EZOC TFGYWW IH SNTJ. ED RRNJBJJJ YRWMSW, ONPQVZH RW, NO XWJB XGZNLL. BWYZTQC TD JNYJJNYJ QNHMAA, P'I DWGGWKSD PJ XNJN. P RIXL HKML RM AALAWLWS HAUDNY YFZW.
key = 'vigenere'