不平衡的括号python

def detect_unbalanced_brackets(s: str) -> List[str]:
    stack = []
    brackets_map = {')': '(', '}': '{', ']': '['}

    for char in s:
        if char in brackets_map:
            top_element = stack.pop() if stack else '#'
            if brackets_map[char] != top_element:
                return [char, top_element]
        else:
            stack.append(char)

    return []