def debugging_simple(elements: list, max_size: int) -> list:
    """
    Remove every string from list, which is longer than maximum allowed size.

    This is a broken function. You have to find out how is it broken by using PyCharm's debugging tool.

    :param elements: List of strings
    :param max_size: Maximum allowed size
    :return: List of elements that are shorter than max_size
    """
    elements_to_remove = []
    for element in elements:
        if len(element) > max_size:
            elements.remove(element)
    return elements