cc

        elif char == '[':
            if array[ptr]:
                stack.append(i)
            else:
                while True:
                    char = bf_code[i]
                    if char == '[':
                        depth += 1
                        i += 1
                    elif char == ']':
                        depth -= 1
                        i += 1
                    elif char == '<' or char == '>' or char == '+' or char == '-' or char == '.' or char == ',':
                        i +=1
                    if depth == 0:
                        break
        elif char == ']':
            i = stack.pop() -1

        i += 1