Question 1     

A

Lists are mutable



B

Lists can have duplicate values



C

Elements in the list can be accessed using index values



D

Lists are represented by curly brackets



E

List is not same as array

Question 2     

from collections import deque
str=""
a=['h','a','n','n']
d=deque(a)
d.appendleft('s')
d.append('u')
d.popleft()
d.pop()
d.pop()
print(str.join(d))

A

han



B

shann



C

hannu



D

h



E

sha

Question 3     

from collections import Counter
l=[1,2,2,3,6,7,6,8,6,9,6,1,7,1,2,1,9,1]
c=Counter(l)
print(c.most_common())

A

It returns a list, which is sorted based on the count of the elements



B

It returns a element with high frequency



C

It returns frequency of the element which is repeated more number of times.



D

None of the above

Question 4     

A

It is used to encapsulate many lists into one single unit



B

It appends many lists to a single list



C

It is used to encapsulate many Dictionaries into one single unit



D

It appends many Dictionaries to a single Dictionary

Question 5     

A

UserList



B

OrderList



C

defaultdict



D

OrderBy

Question 6     

A

Both 1 and 2



B

Both 2 and 3



C

Both 3 and 1



D

1,2 and 3

Question 7     

from collections import defaultdict
d = defaultdict(int)
d['kotlin'] = 1
d['python'] = 2
print(d['java'])

A

Error



B

1



C

2



D

0

Question 8     

A

This class acts as a wrapper class around the List objects.



B

This class is useful when one wants to create a list of their own with some modified functionality or with some new functionality.



C

It can be considered as a way of adding new behaviors for the list.



D

None of the above

Question 9     

A

Dictionaries and Tuples



B

Sets and Lists



C

Sets and Dictionaries



D

Lists and Tuples

Question 10     

from collections import Counter
myList = [1,1,2,3,4,5,3,2,3,4,2,1,2,3]
print Counter(myList).items()

A

Counter({2: 4, 3: 4, 1: 3, 4: 2, 5: 1})



B

[(1, 3), (2, 4), (3, 4), (4, 2), (5, 1)]



C

[1, 2, 3, 4, 5]



D

[3, 4, 4, 2, 1]