张可201709080002

摘要： import turtle colors=['yellow','red','black','blue','purple','orange'] turtle.speed(10) for i in range(100): turtle.pencolor(colors[i%6]) turtle.forwa 阅读全文

摘要： fr = open('zk.txt',mode='r',encoding='utf-8') plaincode = fr.read() print('明文:' + plaincode) print('密文:',end='') for c in plaincode: print(chr(ord(c)+ 阅读全文