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【简答题】
仿照例题代码编写实现凯撒密码解密程序段,上传程序代码及运行截图。 以下为加密代码,请仿照写出解密代码。 如加密过程输入 Attack at 11:20am ,输出:Awdfn dw 11:20dp 解密过程则是输入:Awdfn dw 11:20dp,输出明文:Attack at 11:20am plaincode = input("请输入明文: ") ciphertext="" for ch in plaincode: if "a" <= ch<= "z": ciphertext=ciphertext+chr(97+(ord(ch)+3-97)%26) #chr()数值转字符;ord()字符转数值 ."a"的ASCII码97,"A"asciii码是65 #依照字母序,字母的ASCII码依次加1。 #ord("A")==65 ord("a")==97 elif "A" <= ch<= "Z": pass #请删除pass,补充语句来处理大写字母的加密问题 else: ciphertext=ciphertext+ch print(":",ciphertext)
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举一反三
【多选题】沟通的类型包括()
A.
语词沟通和非语词沟通
B.
口语沟通与书面沟通
C.
有意沟通与无意沟通
D.
正式沟通与非正式沟通
E.
个人沟通与人际沟通F群体沟通与大众沟通
【单选题】The beautiful village, ________ we spent our holiday last month, lies at the foot of a mountain. [ ]
A.
what
B.
that
C.
which
D.
where
【单选题】—Did you visit the famous cultural relics last month? —No, we____ it, but we spent too much time shopping．
A.
could have visited
B.
must have visited
C.
can't have visited
D.
shouldn't have visited
【单选题】The small town_____ we spent our holiday last month lies in_____ we think is now part of Chengdu.
A.
27．The small town_____ we spent our holiday last month lies in_____ we think is now part of Chengdu. A．where; that
B.
which; that
C.
that; where
D.
where; what
【简答题】休暇願い 5 月15日より一週間、病母の見舞いのため郷里瀋陽へ帰省いたしますので、休暇を賜わりたくお願い申し上げます。 2019 年 4 月 10 日 営業課 趙蘭
【简答题】A.To a real estate agency. B.To a car rental agency. C.To a computer store. D.To a music store.
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