Added alt solution
Added alt solution

shichao-an/leetcode-python,huanqi/leetcode-python,jamesblunt/leetcode-python,huanqi/leetcode-python,shichao-an/leetcode-python,jamesblunt/leetcode-python,ibadguy/leetcode-python,beni55/leetcode-python,beni55/leetcode-python,ibadguy/leetcode-python,quietcoolwu/leetcode-python,JiaminXuan/leetcode-python,quietcoolwu/leetcode-python,JiaminXuan/leetcode-python