Parentheses check (oh so smart-ass tasks...)

def br_check(text):
    # check if text is empty
    if not text.strip():
        return False

    cls_br = list(text)

    for i in reversed(range(len(text))):
        has_cls = False

        if text[i] == '{':
            for j in range(i + 1, len(text)):
                if cls_br[j] == '}':
                    has_cls = True

                    cls_br[j] = ' '

                    break

            if not has_cls:
                return False

        if text[i] == '[':
            for j in range(i + 1, len(text)):
                if cls_br[j] == ']':
                    has_cls = True

                    cls_br[j] = ' '

                    break

            if not has_cls:
                return False

        if text[i] == '(':
            for j in range(i + 1, len(text)):
                if cls_br[j] == ')':
                    has_cls = True

                    cls_br[j] = ' '

                    break

            if not has_cls:
                return False

    # check
    for i in range(len(cls_br)):
        if cls_br[i] in ')]}':
            return False

    return True