如下所示：
def translationCipher(msg,key):
result = [""]*key
for i in range(key):#把每一列元素按照顺序相加组成新的字符序列
pointer = i
while i<len(msg):
result[pointer]+=msg[i]
i+=key
return ''.join(result)
def main():
print translationCipher("hello,world",4)#以4个字母为一行进行换位加密
if __name__=="__m
