题解 | #字符串变形#
字符串变形
https://www.nowcoder.com/practice/c3120c1c1bc44ad986259c0cf0f0b80e
#直接用split()碰到空格开头或结尾的会少一个空字符串，要用split(' ')
class Solution:
def trans(self, s, n):
l = s.split(' ')
l = l[::-1]
s = ""
for letter in l:
letter = letter.swapcase() # 调整大小写
s += letter # 重新串成一个字符串
s += ' '
return s[0:len(s)-1]
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