Python | Leetcode Python题解之第482题秘钥格式化
题目:
题解:
class Solution:
def licenseKeyFormatting(self, s: str, k: int) -> str:
ans = list()
cnt = 0
for i in range(len(s) - 1, -1, -1):
if s[i] != "-":
ans.append(s[i].upper())
cnt += 1
if cnt % k == 0:
ans.append("-")
if ans and ans[-1] == "-":
ans.pop()
return "".join(ans[::-1])
原文地址:https://blog.csdn.net/Mopes__/article/details/142968479
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