<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def make_where_in(cls, key, value_list):
 """ Make part of WHERE IN query. :param str key: Attribute name of the key. :param str value_list: List of values that the right hand side associated with the key. :return: Part of WHERE query of SQLite. :rtype: str :Examples: "key IN ('hoge', 'foo', 'bar')" """


        return "{:s} IN ({:s})".format(
            Attr(key), ", ".join([Value(value).to_query() for value in value_list])
        )