Collection in Python MCQs Exercise II

Ques 1 Collection

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What is the purpose of the Counter class in the collections module?
  a) It provides an ordered collection of unique elements.
  b) It counts the frequency of elements in a collection.
  c) It provides a mutable collection of key-value pairs.
  d) It represents an immutable collection of elements.

See Solution

Ques 2 Collection

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What is the output of the following Python Code?

from collections import namedtuple
Person = namedtuple('Person', ['name', 'age', 'gender'])
person1 = Person('Alice', 25, 'Female')
print(person1.age)

  a) 'Alice'
  b) 25
  c) 'Female'
  d) ('Alice', 25, 'Female')

See Solution

Ques 3 Collection

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What is the output of the following Python Code?

from collections import deque
my_deque = deque([1, 2, 3])
my_deque.append(4)
my_deque.popleft()
print(len(my_deque))

  a) 1
  b) 2
  c) 3
  d) 4

See Solution

Ques 4 Collection

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What is the output of the following Python Code?

from collections import Counter
my_list = [1, 2, 3, 4, 5, 1, 2, 3, 1, 2]
my_counter = Counter(my_list)
print(my_counter.most_common(1))

  a) [(1, 3)]
  b) [(1, 1)]
  c) [(1, 2)]
  d) [(2, 3)]

See Solution