题解 | #单词倒排#
单词倒排
https://www.nowcoder.com/practice/81544a4989df4109b33c2d65037c5836
import re
a = input()
for i in a:
if not re.match(r'^[a-zA-Z]', i):
a = a.replace(i, " ")
a.replace(" ", " ")
c = " ".join(a.split(" ")[::-1])
print(c)
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