Explore topic-wise MCQs in Technical Programming.

This section includes 1007 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.

651.

What is the output of the following piece of code? >>> a=[(2,4),(1,2),(3,9)] >>> a.sort() >>> a

A. [(1, 2), (2, 4), (3, 9)].
B. [(2,4),(1,2),(3,9)]
C. Error because tuples are immutable
D. Error, tuple has no sort attribute
Answer» E.
Discussion
652.

. Is the following piece of code valid? >>> a=(1,2,3) >>> b=a.update(4,)

A. Yes, a=(1,2,3,4) and b=(1,2,3,4)
B. Yes, a=(1,2,3) and b=(1,2,3,4)
C. No because tuples are immutable
D. No because wrong syntax for update() method
Answer» D. No because wrong syntax for update() method
Discussion
653.

What is the output of the following piece of code? >>> a=(2,3,1,5) >>> a.sort() >>> a

A. (1,2,3,5)
B. (2,3,1,5)
C. None
D. Error, tuple has no attribute sort
Answer» E.
Discussion
654.

Is the following piece of code valid? >>> a=2,3,4,5 >>> a

A. Yes, 2 is printed
B. Yes, [2,3,4,5] is printed
C. No, too many values to unpack
D. Yes, (2,3,4,5) is printed
Answer» E.
Discussion
655.

What is the output of the following code? >>> import collections >>> a=collections.namedtuple('a',['i','j']) >>> obj=a(i=4,j=7) >>> obj

A. a(i=4, j=7)
B. obj(i=4, j=7)
C. (4,7)
D. An exception is thrown
Answer» B. obj(i=4, j=7)
Discussion
656.

What is the output of the following code? >>> a,b=6,7 >>> a,b=b,a >>> a,b

A. (6,7)
B. Invalid syntax
C. (7,6)
D. Nothing is printed
Answer» D. Nothing is printed
Discussion
657.

. What is the output of the following piece of code when executed in Python shell? >>> a=(1,2) >>> b=(3,4) >>> c=a+b >>> c

A. (4,6)
B. (1,2,3,4)
C. Error as tuples are immutable
D. None
Answer» C. Error as tuples are immutable
Discussion
658.

Is the following line of code valid? >>> a,b=1,2,3

A. Yes, this is an example of tuple unpacking. a=1 and b=2
B. Yes, this is an example of tuple unpacking. a=(1,2) and b=3
C. No, too many values to unpack
D. Yes, this is an example of tuple unpacking. a=1 and b=(2,3)
Answer» D. Yes, this is an example of tuple unpacking. a=1 and b=(2,3)
Discussion
659.

What is the output of the following piece of code? a = ('check',) n = 2 for i in range(int(n)): a = (a,) print(a)

A. Error, tuples are immutable
B. ((‘check’,),) (((‘check’,),),).
C. ((‘check’,)’check’,)
D. ((‘check’,)’check’,) (((‘check’,)’check’,)’check’,)
Answer» C. ((‘check’,)’check’,)
Discussion
660.

Is the following piece of code valid? >>> a,b,c=1,2,3 >>> a,b,c

A. Yes, [1,2,3] is printed
B. No, invalid syntax
C. Yes, (1,2,3) is printed
D. 1 is printed
Answer» D. 1 is printed
Discussion
661.

Is the following piece of code valid? >>> a=(1,2,3) >>> b=('A','B','C') >>> c=zip(a,b)

A. Yes, c will be ((1,2,3),(‘A’,’B’,’C’))
B. Yes, c will be ((1,2,3),(‘A’,’B’,’C’))
C. No because tuples are immutable
D. No because the syntax for zip function isn’t valid
Answer» B. Yes, c will be ((1,2,3),(‘A’,’B’,’C’))
Discussion
662.

What is the output of the following piece of code? >>> a=(0,1,2,3,4) >>> b=slice(0,2) >>> a[b]

A. Invalid syntax for slicing
B. [0,2].
C. (0,1)
D. (0,2)
Answer» D. (0,2)
Discussion
663.

What type of data is: a=[(1,1),(2,4),(3,9)]?

A. Array of tuples
B. List of tuples
C. Tuples of lists
D. Invalid type
Answer» C. Tuples of lists
Discussion
664.

Is the following piece of code valid? >>> a=(1,2,3,4) >>> del a

A. No because tuple is immutable
B. Yes, first element in the tuple is deleted
C. Yes, the entire tuple is deleted
D. No, invalid syntax for del method
Answer» D. No, invalid syntax for del method
Discussion
665.

What is the output of the following code? >>> a=(2,3,4) >>> sum(a,3)

A. What is the output of the following code? >>> a=(2,3,4) >>> sum(a,3)
B. The method sum() doesn’t exist for tuples
C. 12
D. 9
Answer» D. 9
Discussion
666.

What is the output of the following code? >>> a=(1,2,3,4) >>> del(a[2])

A. Now, a=(1,2,4)
B. Now, a=(1,3,4)
C. Now a=(3,4)
D. Error as tuple is immutable
Answer» E.
Discussion
667.

What is the output of the following piece of code when executed in Python shell? >>> a=("Check")*3 >>> a

A. (‘Check’,’Check’,’Check’)
B. * Operator not valid for tuples
C. (‘CheckCheckCheck’)
D. Syntax error
Answer» D. Syntax error
Discussion
668.

What is the output of the following code? >>> a=(1,2,(4,5)) >>> b=(1,2,(3,4)) >>> a

A. False
B. True
C. Error, < operator is not valid for tuples
D. Error, < operator is valid for tuples but not if there are sub-tuples
Answer» B. True
Discussion
669.

If a=(1,2,3,4), a[1:-1] is

A. Error, tuple slicing doesn’t exist
B. [2,3].
C. (2,3,4)
D. (2,3)
Answer» E.
Discussion
670.

What is the data type of (1)?

A. Tuple
B. Integer
C. List
D. Both tuple and integer
Answer» C. List
Discussion
671.

What will be the output? numberGames = {} numberGames[(1,2,4)] = 8 numberGames[(4,2,1)] = 10 numberGames[(1,2)] = 12 sum = 0 for k in numberGames: sum += numberGames[k] print len(numberGames) + sum

A. 30
B. 24
C. 33
D. 12
Answer» D. 12
Discussion
672.

What will be the output? >>>t1 = (1, 2, 4, 3) >>>t2 = (1, 2, 3, 4) >>>t1 < t2

A. True
B. False
C. Error
D. None
Answer» C. Error
Discussion
673.

What will be the output? >>>t = (1, 2) >>>2 * t

A. (1, 2, 1, 2)
B. [1, 2, 1, 2].
C. (1, 1, 2, 2)
D. (1, 1, 2, 2)
Answer» B. [1, 2, 1, 2].
Discussion
674.

What will be the output? d = {"john":40, "peter":45} d["john"]

A. 40
B. 45
C. john”
D. peter”
Answer» B. 45
Discussion
675.

What will be the output? >>>t = (1, 2, 4, 3, 8, 9) >>>[t[i] for i in range(0, len(t), 2)]

A. [2, 3, 9].
B. [1, 2, 4, 3, 8, 9].
C. [1, 4, 8].
D. (1, 4, 8)
Answer» D. (1, 4, 8)
Discussion
676.

What will be the output? >>>t=(1,2,4,3) >>>t[1:-1]

A. (1, 2)
B. (1, 2, 4)
C. (2, 4)
D. (2, 4, 3)
Answer» D. (2, 4, 3)
Discussion
677.

What will be the output? >>>t=(1,2,4,3) >>>t[1:3]

A. (1, 2)
B. (1, 2)
C. (2, 4)
D. (2, 4, 3)
Answer» D. (2, 4, 3)
Discussion
678.

Suppose t = (1, 2, 4, 3), which of the following is incorrect?

A. print(t[3])
B. t[3] = 45
C. print(max(t))
D. print(len(t))
Answer» C. print(max(t))
Discussion
679.

Which of the following is a Python tuple?

A. [1, 2, 3].
B. (1, 2, 3)
C. {1, 2, 3}
D. {}
Answer» C. {1, 2, 3}
Discussion
680.

. What will be the output? def addItem(listParam): listParam += [1] mylist = [1, 2, 3, 4] addItem(mylist) print(len(mylist))

A. 1
B. 4
C. 5
D. 8
Answer» D. 8
Discussion
681.

What will be the output? list1 = [1, 2, 3, 4] list2 = [5, 6, 7, 8] print(len(list1 + list2))

A. 2
B. 4
C. 5
D. 8
Answer» E.
Discussion
682.

To which of the following the “in” operator can be used to check if an item is in it?

A. Lists
B. Dictionary
C. Set
D. All of the mentioned
Answer» E.
Discussion
683.

What will be the output? numbers = [1, 2, 3, 4] numbers.append([5,6,7,8]) print(len(numbers))

A. 4
B. 5
C. 8
D. 12
Answer» C. 8
Discussion
684.

What will be the output? names1 = ['Amir', 'Bala', 'Charlie'] names2 = [name.lower() for name in names1] print(names2[2][0])

A. None
B. a
C. b
D. c
Answer» E.
Discussion
685.

What will be the output? names1 = ['Amir', 'Bala', 'Chales'] if 'amir' in names1: print(1) else: print(2)

A. None
B. 1
C. 2
D. Error
Answer» D. Error
Discussion
686.

What will be the output? def f(i, values = []): values.append(i) return values f(1) f(2) v = f(3) print(v)

A. [1] [2] [3].
B. [1] [1, 2] [1, 2, 3].
C. [1, 2, 3].
D. 1 2 3
Answer» D. 1 2 3
Discussion
687.

What is the output when following code is executed ? def f(values): values[0] = 44 v = [1, 2, 3] f(v) print(v)

A. [1, 44].
B. [1, 2, 3, 44].
C. [44, 2, 3].
D. [1, 2, 3].
Answer» D. [1, 2, 3].
Discussion
688.

What is the output when following code is executed ? >>>list1 = [1, 3] >>>list2 = list1 >>>list1[0] = 4 >>>print(list2)

A. [1, 3].
B. [4, 3].
C. [1, 4].
D. [1, 3, 4].
Answer» C. [1, 4].
Discussion
689.

What is the output when following code is executed ? >>>list("a#b#c#d".split('#'))

A. [‘a’, ‘b’, ‘c’, ‘d’].
B. [‘a b c d’].
C. [‘a#b#c#d’].
D. [‘abcd’].
Answer» B. [‘a b c d’].
Discussion
690.

What is the output when the following code is executed ? >>>"Welcome to Python".split()

A. [“Welcome”, “to”, “Python”].
B. (“Welcome”, “to”, “Python”)
C. {“Welcome”, “to”, “Python”}
D. “Welcome”, “to”, “Python”
Answer» B. (“Welcome”, “to”, “Python”)
Discussion
691.

Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.pop()?

A. [3, 4, 5, 20, 5, 25, 1].
B. [1, 3, 3, 4, 5, 5, 20, 25].
C. [3, 5, 20, 5, 25, 1, 3].
D. [1, 3, 4, 5, 20, 5, 25].
Answer» B. [1, 3, 3, 4, 5, 5, 20, 25].
Discussion
692.

Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.pop(1) ?

A. [3, 4, 5, 20, 5, 25, 1, 3].
B. [1, 3, 3, 4, 5, 5, 20, 25].
C. [3, 5, 20, 5, 25, 1, 3].
D. [1, 3, 4, 5, 20, 5, 25].
Answer» D. [1, 3, 4, 5, 20, 5, 25].
Discussion
693.

Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.extend([34, 5]) ?

A. [3, 4, 5, 20, 5, 25, 1, 3, 34, 5].
B. [1, 3, 3, 4, 5, 5, 20, 25, 34, 5].
C. [25, 20, 5, 5, 4, 3, 3, 1, 34, 5].
D. [1, 3, 4, 5, 20, 5, 25, 3, 34, 5].
Answer» B. [1, 3, 3, 4, 5, 5, 20, 25, 34, 5].
Discussion
694.

Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after list1.reverse() ?

A. [3, 4, 5, 20, 5, 25, 1, 3].
B. [1, 3, 3, 4, 5, 5, 20, 25].
C. [25, 20, 5, 5, 4, 3, 3, 1].
D. [3, 1, 25, 5, 20, 5, 4, 3].
Answer» E.
Discussion
695.

Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1.count(5) ?

A. 0
B. 4
C. 1
D. 2
Answer» E.
Discussion
696.

Suppose list1 is [3, 4, 5, 20, 5], what is list1.index(5) ?

A. 0
B. 1
C. 4
D. 2
Answer» E.
Discussion
697.

To remove string “hello” from list1, we use which command ?

A. list1.remove(“hello”)
B. list1.remove(hello)
C. list1.removeAll(“hello”)
D. list1.removeOne(“hello”)
Answer» B. list1.remove(hello)
Discussion
698.

To insert 5 to the third position in list1, we use which command ?

A. list1.insert(3, 5)
B. list1.insert(2, 5)
C. list1.add(3, 5)
D. list1.append(3, 5)
Answer» B. list1.insert(2, 5)
Discussion
699.

To add a new element to a list we use which command ?

A. list1.add(5)
B. list1.append(5)
C. list1.addLast(5)
D. list1.addEnd(5)
Answer» C. list1.addLast(5)
Discussion
700.

What is the output when following code is executed ? >>>list1 = [11, 2, 23] >>>list2 = [11, 2, 2] >>>list1 < list2 is

A. True
B. False
C. Error
D. None
Answer» C. Error
Discussion