translated +symbol return translated def generaterandomkey() """generate and return random encryption key "" key list(lettersget list from the letters string random shuffle(keyrandomly shuffle the list return 'join(keyget string from the list if this program was run (instead of imported)run the program if __name__ ='__main__' main(exploring the program try to find the answers to the following questions experiment with some modifications to the code and rerun the program to see what effect the changes have what happens if you delete or comment out random shuffle(keyon line and enter random for the key what happens if you extend the letters string on line to become 'abcdefghijklmnopqrstuvwxyz 'simple substitution cipher