Python Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Python. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - What is the output for −

'python ' [-3]?

A - 'o'

B - 't'

C - 'h'

D - Negative index error.

Answer : C

Explanation

Negative indexes begin toward the end of a string and go in reverse.

Q 2 - Name the python module which supports regular expressions.

A - regex

B - re

C - pyre

D - pyregex

Answer : B

Explanation

re is the module which supports regular expressions and is part of standard library.

We can import re module as − import re.

Q 3 - When the given code is executed how many times ' 'you are learning python ' ' will be printed.

a = 0
while a<10:
 print(''you are learning python'')
 pass

A - 9

B - 10

C - 11

D - Infinite number of times.

Answer : D

Explanation

The loop will execute infinite number of times because there is no statement specified for end of loop and pass indicates nothing is to be done.

Q 4 - what is output of following code −

class Count:
   def __init__(self, count=0):
      self.__count=count
a=Count(2)
b=Count(2)
print(id(a)==id(b), end = '' '')

c= ''hello''
d= ''hello''
print(id(c)==id(d))

A - True False

B - False True

C - False False

D - True True

Answer : B

Explanation

The objects with same contents share the same object in the python library but this is not true for custom-defined immutable classes.

Q 5 - What is output of following code −

l = [1,2,6,5,7,8]
l.insert(9)

A - l=[9,1,2,6,5,7,8]

B - l=[1,2,6,5,9.7,8] (insert randomly at any position)

C - l=[1,2,6,5,7,8,9]

D - Type Error

Answer : D

Explanation

listname.insert(x,y) method is used to insert a item at certain position in a list. x defines position at which the element will be added and y defines the element to be added in the list. And insert function takes exactly two arguments else it results in type error.

Q 6 - What is the output of the following code?

class P: 
   def __init__(self): 
      self.__x=100 
      self.y=200 
   def print(self): 
      print(self.__x, self.y)  
class C(P): 
   def __init__(self): 
      super().__init__() 
      self.__x=300 
      self.y=400  
d = C() 
d.print()

A - 300 400

B - 100 400

C - 100 200

D - 300 200

Answer : B

Explanation

In the above code x is a private variable declared in the class P. Thus value of x cannot be changed in the class C which inherits class P. But y is not a private variable thus its value can be changed.

Q 7 - Which of the function among will return 4 on the set s = {3, 4, 1, 2}?

A - Sum(s)

B - Len(s)

C - Max(s)

D - Four(s)

Answer : B & C.

Explanation

len(s) returns the length of the set and max(s) returns the maximum value in the set.

Q 8 - Which method is used to convert raw byte data to a string?

A - Encode()

B - Decode()

C - Convert()

D - tostring()

Answer : B

Explanation

Decode is the method used to convert the raw byte data to a string.

Answer : D

Q 10 - What will be the output of the following code?

minidict = { 'name': 'TutorialsPoint', 'name': 'website'}
print(minidict['name'])

A - TutorialsPoint

B - Website

C - ('TutorialsPoint' , 'website')

D - It will show an Error.

Answer : B

Explanation

Dictionary gets updated by the above code as the key has been assigned a new value.

python_questions_answers.htm
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