Python Multiple Choice Questions – List
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1. Which of the following commands will create a list?
a) list1 = list()
b) list1 = []
c) list1 = list([1, 2, 3])
d) all of the mentioned
2. What is the output when we execute list(“hello”)?
a) [‘h’, ‘e’, ‘l’, ‘l’, ‘o’]
b) [‘hello’]
c) [‘llo’]
d) [‘olleh’]
3. Suppose listExample is [‘h’,’e’,’l’,’l’,’o’], what is len(listExample)?
a) 5
b) 4
c) None
d) Error
4. Suppose list1 is [2445,133,12454,123], what is max(list1)?
a) 2445
b) 133
c) 12454
d) 123
5. Suppose list1 is [3, 5, 25, 1, 3], what is min(list1)?
a) 3
b) 5
c) 25
d) 1
6. Suppose list1 is [1, 5, 9], what is sum(list1)?
a) 1
b) 9
c) 15
d) Error
7. To shuffle the list(say list1) what function do we use?
a) list1.shuffle()
b) shuffle(list1)
c) random.shuffle(list1)
d) random.shuffleList(list1)
8. Suppose list1 is [4, 2, 2, 4, 5, 2, 1, 0], Which of the following is correct syntax for slicing operation?
a) print(list1[2:])
b) print(list1[:2])
c) print(list1[:-2])
d) all of the mentioned
9. Suppose list1 is [2, 33, 222, 14, 25], What is list1[-1]?
a) Error
b) None
c) 25
d) 2
10. Suppose list1 is [2, 33, 222, 14, 25], What is list1[:-1]?
a) [2, 33, 222, 14]
b) Error
c) 25
d) [25, 14, 222, 33, 2]
11. What will be the output of the following Python code?
>>>names = ['Amir', 'Bear', 'Charlton', 'Daman']
>>>print(names[-1][-1])
a) A
b) Daman
c) Error
d) n
12. What will be the output of the following Python code?
names1 = ['Amir', 'Bear', 'Charlton', 'Daman']
names2 = names1
names3 = names1[:]
names2[0] = 'Alice'
names3[1] = 'Bob'
sum = 0
for ls in (names1, names2, names3):
if ls[0] == 'Alice':
sum += 1
if ls[1] == 'Bob':
sum += 10
print sum
a) 11
b) 12
c) 21
d) 22
13. Suppose list1 is [1, 3, 2], What is list1 * 2?
a) [2, 6, 4]
b) [1, 3, 2, 1, 3]
c) [1, 3, 2, 1, 3, 2]
d) [1, 3, 2, 3, 2, 1]
14. Suppose list1 = [0.5 * x for x in range(0, 4)], list1 is:
a) [0, 1, 2, 3]
b) [0, 1, 2, 3, 4]
c) [0.0, 0.5, 1.0, 1.5]
d) [0.0, 0.5, 1.0, 1.5, 2.0]
15. What will be the output of the following Python code?
>>>list1 = [11, 2, 23]
>>>list2 = [11, 2, 2]
>>>list1 < list2
a) True
b) False
c) Error
d) None
16. 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)
17. 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)
18. 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”)
19. Suppose list1 is [3, 4, 5, 20, 5], what is list1.index(5)?
a) 0
b) 1
c) 4
d) 2
20. Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1.count(5)?
a) 0
b) 4
c) 1
d) 2
21. 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]
22. 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]
23. 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]
24. 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]
25. What will be the output of the following Python code?
>>>"Welcome to Python".split()
a) [“Welcome”, “to”, “Python”]
b) (“Welcome”, “to”, “Python”)
c) {“Welcome”, “to”, “Python”}
d) “Welcome”, “to”, “Python”
26. What will be the output of the following Python code?
>>>list("a#b#c#d".split('#'))
a) [‘a’, ‘b’, ‘c’, ‘d’]
b) [‘a b c d’]
c) [‘a#b#c#d’]
d) [‘abcd’]
27. What will be the output of the following Python code?
myList = [1, 5, 5, 5, 5, 1]
max = myList[0]
indexOfMax = 0
for i in range(1, len(myList)):
if myList[i] > max:
max = myList[i]
indexOfMax = i
>>>print(indexOfMax)
a) 1
b) 2
c) 3
d) 4
28. What will be the output of the following Python code?
myList = [1, 2, 3, 4, 5, 6]
for i in range(1, 6):
myList[i - 1] = myList[i]
for i in range(0, 6):
print(myList[i], end = " ")
a) 2 3 4 5 6 1
b) 6 1 2 3 4 5
c) 2 3 4 5 6 6
d) 1 1 2 3 4 5
29. What will be the output of the following Python code?
>>>list1 = [1, 3]
>>>list2 = list1
>>>list1[0] = 4
>>>print(list2)
a) [1, 3]
b) [4, 3]
c) [1, 4]
d) [1, 3, 4]
30. What will be the output of the following Python code?
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]
31. What will be the output of the following Python code?
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
32. What will be the output of the following Python code?
names1 = ['Amir', 'Bala', 'Chales']
if 'amir' in names1:
print(1)
else:
print(2)
a) None
b) 1
c) 2
d) Error
33. What will be the output of the following Python code?
names1 = ['Amir', 'Bala', 'Charlie']
names2 = [name.lower() for name in names1]
print(names2[2][0])
a) None
b) a
c) b
d) c
34. What will be the output of the following Python code?
numbers = [1, 2, 3, 4]
numbers.append([5,6,7,8])
print(len(numbers))
a) 4
b) 5
c) 8
d) 12
35. 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
36. What will be the output of the following Python code?
list1 = [1, 2, 3, 4]
list2 = [5, 6, 7, 8]
print(len(list1 + list2))
a) 2
b) 4
c) 5
d) 8
37. What will be the output of the following Python code?
def addItem(listParam):
listParam += [1]
mylist = [1, 2, 3, 4]
addItem(mylist)
print(len(mylist))
a) 1
b) 4
c) 5
d) 8
38. What will be the output of the following Python code?
def increment_items(L, increment):
i = 0
while i < len(L):
L[i] = L[i] + increment
i = i + 1
values = [1, 2, 3]
print(increment_items(values, 2))
print(values)
a)
None
[3, 4, 5]
b)
None
[1, 2, 3]
c)
[3, 4, 5]
[1, 2, 3]
d)
[3, 4, 5]
None
39. What will be the output of the following Python code?
def example(L):
''' (list) -> list
'''
i = 0
result = []
while i < len(L):
result.append(L[i])
i = i + 3
return result
a) Return a list containing every third item from L starting at index 0
b) Return an empty list
c) Return a list containing every third index from L starting at index 0
d) Return a list containing the items from L starting from index 0, omitting every third item
40. What will be the output of the following Python code?
veggies = ['carrot', 'broccoli', 'potato', 'asparagus']
veggies.insert(veggies.index('broccoli'), 'celery')
print(veggies)
a) [‘carrot’, ‘celery’, ‘broccoli’, ‘potato’, ‘asparagus’]
b) [‘carrot’, ‘celery’, ‘potato’, ‘asparagus’]
c) [‘carrot’, ‘broccoli’, ‘celery’, ‘potato’, ‘asparagus’]
d) [‘celery’, ‘carrot’, ‘broccoli’, ‘potato’, ‘asparagus’]
41. What will be the output of the following Python code?
>>>m = [[x, x + 1, x + 2] for x in range(0, 3)]
a) [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
b) [[0, 1, 2], [1, 2, 3], [2, 3, 4]]
c) [1, 2, 3, 4, 5, 6, 7, 8, 9]
d) [0, 1, 2, 1, 2, 3, 2, 3, 4]
42. How many elements are in m?
m = [[x, y] for x in range(0, 4) for y in range(0, 4)]
a) 8
b) 12
c) 16
d) 32
43. What will be the output of the following Python code?
values = [[3, 4, 5, 1], [33, 6, 1, 2]]
v = values[0][0]
for row in range(0, len(values)):
for column in range(0, len(values[row])):
if v < values[row][column]:
v = values[row][column]
print(v)
a) 3
b) 5
c) 6
d) 33
44. What will be the output of the following Python code?
values = [[3, 4, 5, 1], [33, 6, 1, 2]]
v = values[0][0]
for lst in values:
for element in lst:
if v > element:
v = element
print(v)
a) 1
b) 3
c) 5
d) 6
45. What will be the output of the following Python code?
values = [[3, 4, 5, 1 ], [33, 6, 1, 2]]
for row in values:
row.sort()
for element in row:
print(element, end = " ")
print()
a) The program prints two rows 3 4 5 1 followed by 33 6 1 2
b) The program prints on row 3 4 5 1 33 6 1 2
c) The program prints two rows 3 4 5 1 followed by 33 6 1 2
d) The program prints two rows 1 3 4 5 followed by 1 2 6 33
46. What will be the output of the following Python code?
matrix = [[1, 2, 3, 4],
[4, 5, 6, 7],
[8, 9, 10, 11],
[12, 13, 14, 15]]
for i in range(0, 4):
print(matrix[i][1], end = " ")
a) 1 2 3 4
b) 4 5 6 7
c) 1 3 8 12
d) 2 5 9 13
47. What will be the output of the following Python code?
def m(list):
v = list[0]
for e in list:
if v < e: v = e
return v
values = [[3, 4, 5, 1], [33, 6, 1, 2]]
for row in values:
print(m(row), end = " ")
a) 3 33
b) 1 1
c) 5 6
d) 5 33
48. What will be the output of the following Python code?
data = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]
print(data[1][0][0])
a) 1
b) 2
c) 4
d) 5
49. What will be the output of the following Python code?
data = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]
def ttt(m):
v = m[0][0]
for row in m:
for element in row:
if v < element: v = element
return v
print(ttt(data[0]))
a) 1
b) 2
c) 4
d) 5
50. What will be the output of the following Python code?
points = [[1, 2], [3, 1.5], [0.5, 0.5]]
points.sort()
print(points)
a) [[1, 2], [3, 1.5], [0.5, 0.5]]
b) [[3, 1.5], [1, 2], [0.5, 0.5]]
c) [[0.5, 0.5], [1, 2], [3, 1.5]]
d) [[0.5, 0.5], [3, 1.5], [1, 2]]
51. What will be the output of the following Python code?
a=[10,23,56,[78]]
b=list(a)
a[3][0]=95
a[1]=34
print(b)
a) [10,34,56,[95]]
b) [10,23,56,[78]]
c) [10,23,56,[95]]
d) [10,34,56,[78]]
52. What will be the output of the following Python code?
print(list(zip((1,2,3),('a'),('xxx','yyy'))))
print(list(zip((2,4),('b','c'),('yy','xx'))))
a)
[(1,2,3),(‘a’),(‘xxx’,’yyy’)]
[(2,4),(‘b’,’c’),(‘yy’,’xx’)]
b)
[(1, 'a', 'xxx'),(2,’ ‘,’yyy’),(3,’ ‘,’ ‘)]
[(2, 'b', 'yy'), (4, 'c', 'xx')]
c) Syntax error
d)
[(1, 'a', 'xxx')]
[(2, 'b', 'yy'), (4, 'c', 'xx')]
53. What will be the output of the following Python code?
import copy
a=[10,23,56,[78]]
b=copy.deepcopy(a)
a[3][0]=95
a[1]=34
print(b)
a) [10,34,56,[95]]
b) [10,23,56,[78]]
c) [10,23,56,[95]]
d) [10,34,56,[78]]
54. What will be the output of the following Python code?
s="a@b@c@d"
a=list(s.partition("@"))
print(a)
b=list(s.split("@",3))
print(b)
a)
[‘a’,’b’,’c’,’d’]
[‘a’,’b’,’c’,’d’]
b)
[‘a’,’@’,’b’,’@’,’c’,’@’,’d’]
[‘a’,’b’,’c’,’d’]
c)
[‘a’,’@’,’b@c@d’]
[‘a’,’b’,’c’,’d’]
d)
[‘a’,’@’,’b@c@d’]
[‘a’,’@’,’b’,’@’,’c’,’@’,’d’]
55. What will be the output of the following Python code?
a=[1,2,3,4]
b=[sum(a[0:x+1]) for x in range(0,len(a))]
print(b)
a) 10
b) [1,3,5,7]
c) 4
d) [1,3,6,10]
56. What will be the output of the following Python code?
a="hello"
b=list((x.upper(),len(x)) for x in a)
print(b)
a) [(‘H’, 1), (‘E’, 1), (‘L’, 1), (‘L’, 1), (‘O’, 1)]
b) [(‘HELLO’, 5)]
c) [(‘H’, 5), (‘E’, 5), (‘L’, 5), (‘L’, 5), (‘O’, 5)]
d) Syntax error
57. What will be the output of the following Python code?
a=[1,2,3,4]
b=[sum(a[0:x+1]) for x in range(0,len(a))]
print(b)
a) 10
b) [1,3,5,7]
c) 4
d) [1,3,6,10]
58. What will be the output of the following Python code?
a=[[]]*3
a[1].append(7)
print(a)
a) Syntax error
b) [[7], [7], [7]]
c) [[7], [], []]
d) [[],7, [], []]
59. What will be the output of the following Python code?
b=[2,3,4,5]
a=list(filter(lambda x:x%2,b))
print(a)
a) [2,4]
b) [ ]
c) [3,5]
d) Invalid arguments for filter function
60. What will be the output of the following Python code?
lst=[3,4,6,1,2]
lst[1:2]=[7,8]
print(lst)
a) [3, 7, 8, 6, 1, 2]
b) Syntax error
c) [3,[7,8],6,1,2]
d) [3,4,6,7,8]
61. What will be the output of the following Python code?
a=[1,2,3]
b=a.append(4)
print(a)
print(b)
a)
[1,2,3,4]
[1,2,3,4]
b)
[1, 2, 3, 4]
None
c) Syntax error
d)
[1,2,3]
[1,2,3,4]
62. What will be the output of the following Python code?
>>> a=[14,52,7]
>>>> b=a.copy()
>>> b is a
a) True
b) False
63. What will be the output of the following Python code?
a=[13,56,17]
a.append([87])
a.extend([45,67])
print(a)
a) [13, 56, 17, [87], 45, 67]
b) [13, 56, 17, 87, 45, 67]
c) [13, 56, 17, 87,[ 45, 67]]
d) [13, 56, 17, [87], [45, 67]]
64. What is the output of the following piece of code?
a=list((45,)*4)
print((45)*4)
print(a)
a)
180
[(45),(45),(45),(45)]
b)
(45,45,45,45)
[45,45,45,45]
c)
180
[45,45,45,45]
d) Syntax error
65. What will be the output of the following Python code?
lst=[[1,2],[3,4]]
print(sum(lst,[]))
a) [[3],[7]]
b) [1,2,3,4]
c) Error
d) [10]
66. What will be the output of the following Python code?
word1="Apple"
word2="Apple"
list1=[1,2,3]
list2=[1,2,3]
print(word1 is word2)
print(list1 is list2)
a)
True
True
b)
False
True
c)
False
False
d)
True
False
67. What will be the output of the following Python code?
def unpack(a,b,c,d):
print(a+d)
x = [1,2,3,4]
unpack(*x)
a) Error
b) [1,4]
c) [5]
d) 5
68. What will be the output of the following Python code?
places = ['Bangalore', 'Mumbai', 'Delhi']
<br class="blank" />places1 = places
places2 = places[:]
<br class="blank" />places1[1]="Pune"
places2[2]="Hyderabad"
print(places)
a) [‘Bangalore’, ‘Pune’, ‘Hyderabad’]
b) [‘Bangalore’, ‘Pune’, ‘Delhi’]
c) [‘Bangalore’, ‘Mumbai’, ‘Delhi’]
d) [‘Bangalore’, ‘Mumbai’, ‘Hyderabad’]
69. What will be the output of the following Python code?
x=[[1],[2]]
print(" ".join(list(map(str,x))))
a) [1] [2]
b) [49] [50]
c) Syntax error
d) [[1]] [[2]]
70. What will be the output of the following Python code?
a=165
b=sum(list(map(int,str(a))))
print(b)
a) 561
b) 5
c) 12
d) Syntax error
71. What will be the output of the following Python code?
a= [1, 2, 3, 4, 5]
for i in range(1, 5):
a[i-1] = a[i]
for i in range(0, 5):
print(a[i],end = " ")
a) 5 5 1 2 3
b) 5 1 2 3 4
c) 2 3 4 5 1
d) 2 3 4 5 5
72. What will be the output of the following Python code?
def change(var, lst):
var = 1
lst[0] = 44
k = 3
a = [1, 2, 3]
change(k, a)
print(k)
print(a)
a)
3
[44, 2, 3]
b)
1
[1,2,3]
c)
3
[1,2,3]
d)
1
[44,2,3]
73. What will be the output of the following Python code?
a = [1, 5, 7, 9, 9, 1]
<br class="blank" />b=a[0]
<br class="blank" />x= 0
for x in range(1, len(a)):
if a[x] > b:
b = a[x]
b= x
print(b)
a) 5
b) 3
c) 4
d) 0
74. What will be the output of the following Python code?
a=["Apple","Ball","Cobra"]
<br class="blank" />a.sort(key=len)
print(a)
a) [‘Apple’, ‘Ball’, ‘Cobra’]
b) [‘Ball’, ‘Apple’, ‘Cobra’]
c) [‘Cobra’, ‘Apple’, ‘Ball’]
d) Invalid syntax for sort()
75. What will be the output of the following Python code?
num = ['One', 'Two', 'Three']
for i, x in enumerate(num):
print('{}: {}'.format(i, x),end=" ")
a) 1: 2: 3:
b) Exception is thrown
c) One Two Three
d) 0: One 1: Two 2: Three
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