leetcode/0344_reverse-string/python3/solution.py

13 lines
303 B
Python

class Solution:
def reverseString(self, s: List[str]) -> None:
"""
Do not return anything, modify s in-place instead.
"""
i = 0
j = len(s) - 1
while i < j:
s[i], s[j] = s[j], s[i]
i += 1
j -= 1