Prutor Python Quiz 8 answers

 

Q1 . A class definition in python begins with the keyword –

(a): def , file 

(b): class , object

(c): self , py file

(d): None of these

Answer: (b) class , object

Q2 .  What will be the output of the following  python code ?

class Roll:
def __init__(self, id):
self.id = id
id = 231

return id

val = Roll(321)
print (val.id)

(a): TypeError

(b): 231

(c): 321

(d): None of these

Answer: (b): 231

Q3 . What will be the output of following python code?

class X:

def __init__(self):

self.a = 10

self._b = 20

def getB(self):

return self._b

x = X()

x._b = 60

print(x.getB())

(a): 20

(b): 60

(c): Error

(d): Program runs but does not print anything

Answer: (b) 60 

Q4 . Private  method starts with _______ while protected method starts with ________.

(a).#,@

(b).double underscore,single underscore 

(c).single underscore , double underscore

(d).None of these

Answer:- (b).double underscore,single underscore.

Q5 . what will be the output of the following code. code is saved in a file named 'code.py'

f = open(‘file.txt’)

 f, readlines() 

print(f. name) 

print ( f.closed )

 f.close() 

print ( f.closed ).

(a).Error in code 

(b). true

      false

       true

(c). code.py

      False

     True

(d)file.txt

     False

     True

Answer;- (d)file.txt

     False

     True