fr = open(‘letter.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)+3),end=‘‘)
fr = open(‘88.txt‘,mode=‘r‘,encoding=‘utf-8‘)
plaincode = fr.read()
fr.close()
fw = open(‘c_88.txt‘,mode=‘a‘, encoding=‘utf-8‘)
for c in plaincode:
fw.write(chr(ord(c)-3))
fw.close(
import turtle colors=[‘yellow‘,‘red‘,‘black‘,‘blue‘,‘purple‘,‘orange‘] turtle.speed(10) for i in range(100): turtle.pencolor(colors[i%6]) turtle.forward(i) turtle.left(59) turtle.done()
原文：https://www.cnblogs.com/LLLambert/p/9113620.html