#coding=utf-8
print "栏珊数:"
n=int(raw_input())
s = raw_input("请输入栏珊密码:")
s1=[]
for x in range(n):
for i in range(len(s)):
if((i + x) % n == 0):
s1.append(s[i])
print s1
#coding=utf-8
print "栏珊数:"
n=int(raw_input())
s = raw_input("请输入栏珊密码:")
s1=[]
for x in range(n):
for i in range(len(s)):
if((i + x) % n == 0):
s1.append(s[i])
print s1
打印以后的 ‘ , 请自行删去。