文件操作，列表实例NiceHexSpiral

Posted 2020-11-09 余君妍

fr=open(\'0530.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(\'0530.txt\',mode=\'r\',encoding=\'utf-8\')
plaincode = fr.read()
fr.close


fw = open(\'c_0530.txt\',mode=\'a\',encoding=\'utf-8\')
for c in plaincode:
    fw.write(chr(ord(c)+3))
fw.close

fr = open(\'0530.txt\',mode=\'r\',encoding=\'utf-8\')
plaincode = fr.read()
fr.close


fw = open(\'c_0530.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()