题解 | #字符串变形#
字符串变形
https://www.nowcoder.com/practice/c3120c1c1bc44ad986259c0cf0f0b80e
class Solution:
def trans(self , s: str, n: int) -> str:
# write code here
lst = s.split(' ')
lst = lst[::-1]
res = []
for word in lst:
tmp = ''
for c in word:
if c.islower():
tmp += c.upper()
elif c.isupper():
tmp += c.lower()
res.append(tmp)
return ' '.join(res)
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