#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)
#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)