django上传多条数据

#方式一
# for i in range(1,4):
#     ga = "大数据{}班".format(i)
#     g = Grade(g_name = ga)
#     g.save()

#方式二
for i in range(1,4):
    ga = "大数据{}班".format(i)
    Grade.objects.create(g_name=ga)