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python2-lesson13

Authored by hang zheng

Computers

3rd - 11th Grade

Used 35+ times

python2-lesson13
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果想要创建一个类,需要用到哪个关键字

def

class

open

for

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

创建一个类,哪个函数是必须的?

--init--(self)

__init__()

init(self)

__init__(self)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

__init__(self)函数中的self代表什么?

代表每一个创建的实例对象

什么都不是,只是一个规范而已

代表类本身

代表一个传入的参数

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

阅读图中代码,现在如果想根据Car类创建一个实例,下列代码书写正确的是?

c=Car("red")

c=Car

c=Car()

c=Car(self)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

观察上图代码,现在需要创建一个Car类的实例,下列哪种方式是正确的。

c=Car()

c=Car(c,"red","电动车",4)

c=Car("red","电动车",4)

Car("red","电动车",4)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

现在已经存在一个People类,想要在类中增加一个新的方法,名字叫做playgame,下列代码正确的是?

def playgames(self):

def playgames():

def (playgames):

def ()playgames:

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

观察上图代码,c是Car类的一个实例,现在想打印出c中color属性,下列代码正确的是?

print(c)

print(Car.color)

print(c.color)

print(color)

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