南开大学2019年9月python编程基础期末考试答案

一、单选题

1-5. BCDCC 6-12.BCACDBA

二、不定项选择题

1.AC

2.AD

3.BCD

4.A

5.ABCD

6.AC

7.AB

8.C

三、判断题

1-10. 对对对对错错对对对错

四、程序题

1. f2 函数被调用！

f2 函数被调用！

2.(1)https://www.360docs.net/doc/3b6932204.html,

(2)stu1.age = 19

3.30

30

4.(1)super()

(2)super()

5.装饰器需要带形参，inner()改为inner(*args, **kwargs)，两个print之间的func()改为func(*args, **kwargs)

6.class Timer:

def __init__(self, h, m, s):

self.h = h

self.m = m

self.s = s

self.time = "%d:%d:%d" % (h, m, s)

def SetTime(self, h, m, s):

self.h = h

self.m = m

self.s = s

self.time = "%d:%d:%d" % (h, m, s)

def AddOneSec(self):

s = self.s + 1

self.time = "%d:%d:%d" % (self.h, self.m, s)

def PrintTime(self):

print(self.time)