练习条目/4

id	first_name	last_name	gender
1	Jessalyn	Corstorphine	Female
2	Loutitia	Smallman	Female
3	Collin	Toland	Male
4	Huberto	Coxall	Male
5	Nixie	Schober	Female
6	Saba	Bradberry	Female
7	Dolores	Duffer	Female
8	Sinclare	Torregiani	Male
9	Darci	Atlee	Female
10	Lorry	Flavelle	Male
10	Lorry1	Flavelle	Male
10	Lorry2	Flavelle	Male
10	Lorry3	Flavelle	Male
10	Lorry4	Flavelle	Male
10	Lorry5	Flavelle	Male