class Solution:
    def reverseWords(self, s: List[str]) -> None:
        """
        Do not return anything, modify s in-place instead.
        """

        ns = "".join(s)
        arr = ns.split(' ')
        arr = arr[::-1]
        ns = " ".join(arr)
        for i in range(len(ns)):
            s[i] = ns[i]