凯撒密码

题目

代码

def KSMM(convertstr):
    for i in range(len(convertstr)):
        if  convertstr[i] != ' ':
            if (ord(convertstr[i])>=65 and  ord(convertstr[i])< 77) 
            or (ord(convertstr[i])>=97 and ord(convertstr[i])< 110):
                convertstr[i] = chr(ord(convertstr[i]) + 13)
            elif (ord(convertstr[i])>= 77 and ord(convertstr[i])<= 90) 
            or  (ord(convertstr[i])>= 110 and ord(convertstr[i])<= 122):
                convertstr[i] = chr(ord(convertstr[i]) - 13)
    return ''.join(convertstr)
alist = list(input("Enter a string:
"))
afterstr = KSMM(alist)
print(afterstr)

输入

The Zen of Python

输出

Gur Mra bs Clguba