我在学习数据科学。我有以下火车票数据集:
1. order_date_meduim
order,date,medium
95062,2017-09-11,35
171081,2017-07-05,39
122867,2017-08-18,39
107186,2017-11-23,
171085,2017-09-02,
2. order_ordercityA_ordercityB [some order has only 1 ordercity, I think ordercity means here which city is something like source and dest
假设我有以下模型:
class House(models.Model):
name = models.CharField(max_length=50)
# Other attributes
class Booking(models.Model):
house = models.ForeignKey(House, on_delete=models.CASCADE)
arrival_date = models.DateField()
departure_date = models.DateField()
序列化程序:
class HouseSerializ