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 - What is the output of following code −

[ (a,b) for a in range(3) for b in range(a) ]

A - [ (1,0),(2,1),(3,2)]

B - [ (0,0),(1,1),(2,2)]

C - [(1,0),(2,1),(2,1)]

D - [ (1,0),(2,0),(2,1)]

Answer : D

Explanation

This is nested for loop. The output of first for loop will be the value for the next loop.

Q 3 - How can we generate random numbers in python using methods?

A - random.uniform ()

B - random.randint()

C - random.random()

D - All of the above

Answer : D

Explanation

To generate random numbers we import random module and in that module we have these methods/functions.

uniform(x,y) returns a floating number in the range [x,y] random() returns a floating point number in the range [0, 1].

randint(x,y) returns a random integer number in the range [x, y].

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 command is used to shuffle a list L'?

A - L.shuffle()

B - random.shufflelist(L)

C - shuffle(L)

D - random.Shuffle(L)

Answer : D

Explanation

To shuffle the list we use random.shuffle(List_name) function.

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

s = ''\t\t\t\n\nTutorialsPoint\n\n\n\t\t\t''
s.strip()

A - '\n\nTutorialsPoint\n\n\n'

B - '\t\t\tTutorialsPoint\t\t\t'

C - 'TutorialsPoint'

D - 'TutorialsPoint' , '\t\t\t\n\n \n\n\n\t\t\t'

Answer : C

Explanation

Strip method is used to remove all the newline and tab spaces code in the string.

Q 7 - Analyze the code −

print(''Recursive Function'') 
def factorial(n): 
   return(n*factorial(n-1))  
factorial(4)

A - Recursive Function 24.

B - Recursive Function.

C - Function runs infinitely and causes a StackOverflowError.

D - Syntax Error.

Answer : C

Explanation

there is no condition in the code to stop the function.

Q 8 - Which among them is incorrect for set s={100,101,102,103}

A - Len(s)

B - Sum(s)

C - Print(s[3])

D - Max(s)

Answer : C

Explanation

There is no indexing in Sets.

Q 9 - Using the pack manager, how you can you put the components in a container in the same row?

A - Component.pack(side= ''LEFT'')

B - Component.pack(''Left '')

C - Component.pack(side=LEFT)

D - Component.pack(Left-side)

Answer : C

Explanation

It is the default way to do this.

Answer : C

python_questions_answers.htm
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