fr = open('plainText.txt',mode='r',encoding='utf-8')
plainText = fr.read()
print('明文：'+plainText)
print('密文:',end='')

fw = open('cipherText.txt',mode='a',encoding='utf-8')
for c in plainText:
    print(chr(ord(c)+3),end='')
    
    

转载于:https://www.cnblogs.com/Paris-YY/p/9100708.html

原文链接：https://blog.csdn.net/weixin_30342827/article/details/95426902

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