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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def in_list(list_to_search, string_to_search):
 """ Verify if the list contains the item. :param list_to_search: The list. :type list_to_search: str :param string_to_search: The value of item. :type string_to_search: str :return: True if the list contains the item or False is not contains. :rtype: bool """


        if (bool(list_to_search)) and (bool(string_to_search)):
            elements = re.split('[ \n\t\r]+', list_to_search)
            for element in elements:
                if element == string_to_search:
                    return True
        return False