题解 | #单词倒排#
单词倒排
https://www.nowcoder.com/practice/81544a4989df4109b33c2d65037c5836
# 判断字符是否是26个字母,不是的用replace代替为“ ”(空格)
# 再用split分开,最后用切片输出[::-1]
letter = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
str1 = input()
for i in str1:
if i not in letter:
str1 = str1.replace(i, " ")
list1 = str1.split(" ")
list2 = list(filter(None, list1))
list3 = list2[::-1]
for i in list3:
print(i,end=" ")