fr = open('88.txt',mode='r', encoding='utf-8') planincode = fr.read() print('明文:' + planincode) print('密文:',end='') for c in planincode: 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()