Python Programming Basics easter 1

Question 1

What will be printed? data = {'name': 'Leo'} print(data['name'])

Accepted Answer

Leo

Question 2

Which combinations are true for a dictionary?

Accepted Answer

Dictionaries are ordered in Python 3.7+, Dictionaries use key-value pairs

Question 3

What is a dictionary in Python used for?

Accepted Answer

To store key-value pairs

Question 4

What does the function input() do in Python?

Accepted Answer

It gets data from the user

Question 5

What will this code output? person = {'name': 'Anna', 'age': 10} print(len(person))

Accepted Answer

2

Question 6

How do you convert a string '5' into an integer?

Accepted Answer

int('5')

Question 7

Which removes a key from a dictionary?

Accepted Answer

del dict['key']

Question 8

Which of the following is NOT a valid key type in a dictionary?

Accepted Answer

A list

Question 9

What does this code do? user = {} user['score'] = 100

Accepted Answer

Adds a key 'score' with value 100

Question 10

What type of value does input() return?

Accepted Answer

String

Question 11

What will this print? info = {'status': 'active'} print(info.get('status'))

Accepted Answer

active

Question 12

How can you check if a key 'email' exists in a dictionary profile?

Accepted Answer

'email' in profile

Question 13

Which creates a variable name with the value 'Alice'?

Accepted Answer

name = 'Alice'

Question 14

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

Accepted Answer

It throws a KeyError

Question 15

How can you loop through all keys in a dictionary data?

Accepted Answer

for key in data:

Question 16

How do you access the value of key 'age' in a dictionary called student?

Accepted Answer

student['age']

Question 17

Can a dictionary contain another dictionary?

Accepted Answer

Yes

Question 18

Which one of these is a valid dictionary update?

Accepted Answer

dict['x'] = 1

Question 19

Which creates a dictionary with one key-value pair?

Accepted Answer

dict = {'name': 'Anna'}

Questions 19