Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the output of the code shown below? re.split('[a-c]', '0a3B6', re.I)

A. Error
B. [‘a’, ‘B’]
C. [‘0’, ‘3B6’]
D. [‘a’]
Answer» D. [‘a’]
Discussion
2.

What is the output of the code shown? re.compile('hello', re.X)

A. [‘h’, ‘e’, ‘l’, ‘l’, ‘o’]
B. re.compile(‘hello’, re.VERBOSE)
C. Error
D. Junk value
Answer» C. Error
Discussion
3.

Which of the following functions results in case insensitive matching?

A. re.A
B. re.U
C. re.I
D. re.X
Answer» D. re.X
Discussion
4.

What is the output of the code shown? import re re.ASCII

A. 8
B. 32
C. 64
D. 256
Answer» E.
Discussion
5.

Which of the following functions clears the regular expression cache?

A. re.sub()
B. re.pos()
C. re.purge()
D. re.subn()
Answer» D. re.subn()
Discussion
6.

Choose the function whose output can be: .

A. >>> re.search(‘aaaa’, “alohaaaa”, 0)
B. >>> re.match(‘aaaa’, “alohaaaa”, 0)
C. >>> re.match(‘aaa’, “alohaaa”, 0)
D. >>> re.search(‘aaa’, “alohaaa”, 0)
Answer» B. >>> re.match(‘aaaa’, “alohaaaa”, 0)
Discussion
7.

What is the output of the following function? re.findall("hello world", "hello", 1)

A. [“hello”]
B. [ ]
C. hello
D. hello world
Answer» C. hello
Discussion
8.

What is the output of the line of code shown below? re.split('\W+', 'Hello, hello, hello.')

A. [‘Hello’, ‘hello’, ‘hello.’]
B. [‘Hello, ‘hello’, ‘hello’]
C. [‘Hello’, ‘hello’, ‘hello’, ‘.’]
D. [‘Hello’, ‘hello’, ‘hello’, ”]
Answer» E.
Discussion
9.

Which of the following will result in an error?

A. >>> p = re.compile(“d”) >>> p.search(“door”)
B. >>> p = re.escape(‘hello’)
C. >>> p = re.subn()
D. >>> p = re.purge()
Answer» D. >>> p = re.purge()
Discussion
10.

________ matches the start of the string. ________ matches the end of the string.

A. ‘^’, ‘$’
B. ‘$’, ‘^’
C. ‘$’, ‘?’
D. ‘?’, ‘^’
Answer» B. ‘$’, ‘^’
Discussion
11.

The expression a{5} will match _____________ characters with the previous regular expression.

A. 5 or less
B. exactly 5
C. 5 or more
D. exactly 4
Answer» C. 5 or more
Discussion
12.

The character Dot (that is, ‘.’) in the default mode, matches any character other than _____________

A. caret
B. ampersand
C. percentage symbol
D. newline
Answer» E.
Discussion
13.

What is the output of the following? sentence = 'horses are fast' regex = re.compile('(?P\w+) (?P\w+) (?P\w+)') matched = re.search(regex, sentence) print(matched.group(2))

A. {‘animal’: ‘horses’, ‘verb’: ‘are’, ‘adjective’: ‘fast’}
B. (‘horses’, ‘are’, ‘fast’)
C. ‘horses are fast’
D. ‘are’
Answer» E.
Discussion
14.

What is the output of the following? sentence = 'horses are fast' regex = re.compile('(?P\w+) (?P\w+) (?P\w+)') matched = re.search(regex, sentence) print(matched.groups())

A. {‘animal’: ‘horses’, ‘verb’: ‘are’, ‘adjective’: ‘fast’}
B. (‘horses’, ‘are’, ‘fast’)
C. horses are fast’
D. ‘are’
Answer» C. horses are fast’
Discussion
15.

What is the output of the following? sentence = 'horses are fast' regex = re.compile('(?P\w+) (?P\w+) (?P\w+)') matched = re.search(regex, sentence) print(matched.groupdict())

A. {‘animal’: ‘horses’, ‘verb’: ‘are’, ‘adjective’: ‘fast’}
B. (‘horses’, ‘are’, ‘fast’)
C. ‘horses are fast’
D. ‘are’
Answer» B. (‘horses’, ‘are’, ‘fast’)
Discussion
16.

What is the output of the following? sentence = 'we are humans' matched = re.match(r'(.*) (.*?) (.*)', sentence) print(matched.group(2))

A. are’
B. ‘we’
C. humans’
D. ‘we are humans’
Answer» D. ‘we are humans’
Discussion
17.

What is the output of the following? sentence = 'we are humans' matched = re.match(r'(.*) (.*?) (.*)', sentence) print(matched.group())

A. (‘we’, ‘are’, ‘humans’)
B. (we, are, humans)
C. (‘we’, ‘humans’)
D. we are humans’
Answer» E.
Discussion
18.

What is the output of the following? sentence = 'we are humans' matched = re.match(r'(.*) (.*?) (.*)', sentence) print(matched.groups())

A. (‘we’, ‘are’, ‘humans’)
B. (we, are, humans)
C. (‘we’, ‘humans’)
D. we are humans’
Answer» B. (we, are, humans)
Discussion
19.

What does the function re.search do?

A. matches a pattern at the start of the string
B. matches a pattern at any position in the string
C. such a function does not exist
D. such a function does not exist
Answer» C. such a function does not exist
Discussion
20.

What does the function re.match do?

A. matches a pattern at the start of the string
B. matches a pattern at any position in the string
C. such a function does not exist
D. none of the mentioned
Answer» B. matches a pattern at any position in the string
Discussion
21.

Which of the following creates a pattern object?

A. re.create(str)
B. re.create(str)
C. re.compile(str)
D. re.assemble(str)
Answer» D. re.assemble(str)
Discussion
22.

Which module in Python supports regular expressions?

A. re
B. regex
C. pyregex
D. none of the mentioned
Answer» B. regex
Discussion
23.

The copy module uses the ___________________ protocol for shallow and deep copy.

A. pickle
B. marshal
C. shelve
D. copyreg
Answer» B. marshal
Discussion
24.

The module _______________ is a comparatively faster implementation of the pickle module.

A. cPickle
B. nPickle
C. gPickle
D. tPickle
Answer» B. nPickle
Discussion
25.

Lambda functions cannot be pickled because:

A. Lambda functions only deal with binary values, that is, 0 and 1
B. Lambda functions cannot be called directly
C. Lambda functions cannot be identified by the functions of the pickle module
D. All lambda functions have the same name, that is, <lambda>
Answer» E.
Discussion
26.

If __getstate__() returns _______________ the __setstate__() module will not be called on pickling.

A. True value
B. False value
C. ValueError
D. OverflowError
Answer» C. ValueError
Discussion
27.

Which of the following cannot be pickled?

A. Functions which are defined at the top level of a module with lambda
B. Functions which are defined at the top level of a module with def
C. Built-in functions which are defined at the top level of a module
D. Classes which are defined at the top level of a module
Answer» B. Functions which are defined at the top level of a module with def
Discussion
28.

The pickle module defines ______ exceptions and exports _______ classes.

A. 2, 3
B. 3, 4
C. 3, 2
D. 4, 3
Answer» D. 4, 3
Discussion
29.

Which of the following functions raises an error when an unpicklable object is encountered by Pickler?

A. pickle.PickleError
B. pickle.PicklingError
C. pickle.UnpickleError
D. pickle.UnpickleError
Answer» C. pickle.UnpickleError
Discussion
30.

Which of the following functions can accept more than one positional argument?

A. pickle.dumps
B. pickle.loads
C. pickle.dump
D. pickle.load
Answer» B. pickle.loads
Discussion
31.

Which of the following functions can be used to find the protocol version of the pickle module currently being used?

A. pickle.DEFAULT
B. pickle.CURRENT
C. pickle.CURRENT_PROTOCOL
D. pickle.DEFAULT_PROTOCOL
Answer» E.
Discussion
32.

Which of the codes shown below will result in an error? Given that: object = ‘a’

A. >>> pickle.dumps(object)
B. >>> pickle.dumps(object, 3)
C. >>> pickle.dumps(object, 3, True)
D. >>> pickle.dumps(‘a’, 2)
Answer» D. >>> pickle.dumps(‘a’, 2)
Discussion
33.

What is the output of the line of code shown below? pickle.HIGHEST_PROTOCOL

A. 4
B. 5
C. 3
D. 6
Answer» B. 5
Discussion
34.

Pick the correct statement regarding pickle and marshal modules.

A. The pickle module supports primarily .pyc files whereas marshal module is used to sterilize Python objects
B. The pickle module supports primarily .pyc files whereas marshal module is used to sterilize Python objects
C. The pickle module cannot be used to sterilize user defined classes and their instances whereas marshal module can be used to perform this task
D. The format of sterilization of the pickle module is not guaranteed to be supported across all versions of Python. The marshal module sterilization is compatible across all the versions of Python
Answer» C. The pickle module cannot be used to sterilize user defined classes and their instances whereas marshal module can be used to perform this task
Discussion
35.

To sterilize an object hierarchy, the _____________ function must be called. To desterilize a data stream, the ______________ function must be called.

A. dumps(), undumps()
B. loads(), unloads()
C. loads(), dumps()
D. dumps(), loads()
Answer» E.
Discussion
36.

The process of pickling in Python includes:

A. conversion of a list into a datatable
B. conversion of a byte stream into Python object hierarchy
C. conversion of a Python object hierarchy into byte stream
D. conversion of a datatable into a list
Answer» D. conversion of a datatable into a list
Discussion
37.

The output shape of the code shown above: import turtle t=turtle.Pen() for i in range(0,6): t.forward(100) t.left(60)

A. Hexagon
B. Octagon
C. Pentagon
D. Heptagon
Answer» B. Octagon
Discussion
38.

What is the output of the code shown below? import turtle() t=turtle.Pen() t.goto(50,60) t1=t.clone() t1.ycor()

A. 0.0
B. 50.0
C. 60.0
D. Error
Answer» D. Error
Discussion
39.

The output of the code shown is similar to the alphabet _______________ import turtle t=turtle.Pen() t1=turtle.Pen() t2=turtle.Pen() t.forward(100) t1.forward(100) t2.forward(100) t1.left(90) t1.forward(75) t2.right(90) t2.forward(75)

A. X
B. N
C. T
D. M
Answer» D. M
Discussion
40.

The output of the following code will result in a shape similar to the alphabet ___________ import turtle t=turtle.Turtle() t1=turtle.Turtle() t.left(45) t1.left(135) t.forward(100) t1.forward(100)

A. V
B. Inverted V
C. X
D. T
Answer» B. Inverted V
Discussion
41.

What is the output of the following code? import turtle t=turtle.Pen() t.position() (100.00,0.00) t.goto(100,100) t.distance(100,0)

A. 0.0
B. Error
C. 100.0, 100.0
D. 100.0
Answer» E.
Discussion
42.

What is the output of the code shown below if the system date is 18th June, 2017 (Sunday)? import turtle t=turtle.Pen() t.goto(100,0) t.towards(0,0)

A. 0.0
B. 180.0
C. 270.0
D. 360.0
Answer» C. 270.0
Discussion
43.

The function used to alter the thickness of the pen to ‘x’ units:

A. turtle.width(x)
B. turtle.span(x)
C. turtle.girth(x)
D. turtle.thickness(x)
Answer» B. turtle.span(x)
Discussion
44.

What is the output of the code shown below? import turtle t=turtle.Pen() t.backward(100) t.penup() t.right(45) t.isdown()

A. True
B. False
C. Yes
D. No
Answer» C. Yes
Discussion
45.

What is the output of the snippet of code shown below? import turtle t=turtle.Pen t.tilt(75) t.forward(100)

A. A straight line of 100 units tiled at 75 degrees from the horizontal
B. A straight line of 100 units tilted at 15 degrees from the horizontal
C. A straight line of 100 units lying along the horizontal
D. Error
Answer» D. Error
Discussion
46.

Which of the following functions results in an error?

A. turtle.shape(“turtle”)
B. turtle.shape(“square”)
C. turtle.shape(“triangle”)
D. turtle.shape(“rectangle”)
Answer» E.
Discussion
47.

What is the output of the code shown? import turtle t=turtle.Pen() t.forward(100) t.left(90) t.clear() t.position()

A. 0.00, 90.00
B. 0.00, 0.00
C. 100.00, 90.00
D. 100.00, 100.00
Answer» E.
Discussion
48.

What is the output of the code shown below? import turtle t=turtle.Pen() t.clear() t.isvisible()

A. Yes
B. True
C. No
D. False
Answer» C. No
Discussion
49.

What is the output of the following code? import turtle t=turtle.Pen() t.right(90) t.forward(100) t.heading()

A. 0.0
B. 90.0
C. 270.0
D. 360.0
Answer» D. 360.0
Discussion
50.

Which of the following functions returns a value in degrees, counterclockwise from the horizontal right?

A. heading()
B. degrees()
C. position()
D. window_height()
Answer» B. degrees()
Discussion