@staticmethod
def _string_remove_slice(input_str, start, end):
    """ Removes portions of a string

        :param input_str: str, input string
        :param start: int, end search index
        :param end: int, start search index
        :return: str, the cut string
        """
    if 0 <= start < end <= len(input_str):
        return input_str[:start] + input_str[end:]
    return input_str
