Which of the following datetime objects are incorrect?
import datetime
# a
datetime.datetime()
# b
datetime.datetime(1017, 7, 16)
# c
datetime.datetime(8888, 5, 6, 13, 45, 57)
# d
datetime.datetime(1999, 2, 22, 15)
# e
datetime.datetime(1378, 9)
# f
datetime.datetime(1, 12, 25)
Remember that the first number signifies the year, the second one stands for the month, the third one means the day, etc.