class Solution:
# 定義一個反轉字串的函式,
def str_rever(self,s):
length = len(s)
s1 = ''
for index in range(length - 1,-1,-1):
s1 += s[index]
return s1
def reverseWords(self, s: str) -> str:
# 首先將字串分片
str_list = s.split(" ")
last_str = ''
# 然后將分片后的字串翻轉,
for index in str_list:
# 翻轉的同時加上空格,
last_str += self.str_rever(index) + " "
# 最后回傳字串,注意我們上邊翻轉的時候多加了一個空格,
# 這里邊要減去一個空格,
return last_str[:-1]
A = Solution()
A.reverseWords("Let's take LeetCode contest")
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標籤:Python
