Data Analytics Internship Quiz 13

Data Analytics Internship Quiz 13

Professional Development

10 Qs

quiz-placeholder

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Data Analytics Internship Quiz 13

Data Analytics Internship Quiz 13

Assessment

Quiz

Professional Development

Professional Development

Practice Problem

Hard

Created by

Vindhya Gaddam

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. What is the output of the following code snippet?

python

my_tuple = (1, 2, 3)

print(my_tuple[1])

1

2

3

Error: Tuples are not subscriptable.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a dictionary in Python?

A mutable data structure that stores elements in key-value pairs.

An immutable data structure that stores elements in key-value pairs.


A data structure that stores elements only as values.



A data structure that stores elements only as keys.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you access the value associated with the key 'age' in the dictionary person?

person = {'name': 'John', 'age': 30, 'city': 'New York'}

person['age']

person.get('age')

person.value('age')

person.age

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following methods is used to remove an item from a dictionary in Python?

remove()

delete()

discard()

popitem()

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if you try to access a key in a dictionary that doesn't exist?


Python raises a ValueError.

Python returns None.

Python raises a KeyError.

Python returns an empty dictionary.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following operations is used to add a new key-value pair to an existing dictionary in Python?


append()

insert()

add()

update()

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you iterate through all key-value pairs in a dictionary?

for key, value in my_dict.items():

for item in my_dict:

for key in my_dict:

for value in my_dict.values()

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