题解 | #单词倒排#
单词倒排
https://www.nowcoder.com/practice/81544a4989df4109b33c2d65037c5836
import sys
s = input()
rev = ''
for i in s:
if i.isalpha():
rev = rev+i
else:
rev = rev +' '
通过字符串拼接将字母取出来，将非字母去掉
print(' '.join(rev.split()[::-1])) 通过split（）将字符串转换成列表后到排后再通过join将列表转成字符串
