def get_keys_by_value(dict_of_elements, value_to_find):
    """
    Parse a dict() to get keys of elements with a specified value
    :param dict_of_elements:
    :param value_to_find:
    :return:
    """
    list_of_keys = list()
    list_of_items = dict_of_elements.items()
    for item in list_of_items:
        if item[1] == value_to_find:
            list_of_keys.append(item[0])
    return list_of_keys