Class 11 Computer Science: Lists and Dictionaries

Which of the following is an ordered collection of items, enclosed in square brackets, and mutable?

What will be the output of the following Python code snippet? `my_list = [10, 20, 30] my_list.append(40) print(my_list)`

Dictionary keys must be '_____' and unique.

Which method is used to remove a specific item from a list by its value?

What is the correct way to access the value associated with the key 'city' from the dictionary `my_dict = {'name': 'Alice', 'age': 30, 'city': 'New York'}`?

The `_____(key)` method of a dictionary returns the value for the specified key if the key is in the dictionary, else 'None'.

Which of the following statements about lists and dictionaries is true?

Explain the primary difference between `list.append()` and `list.extend()` methods in Python.

The `____` operator is used to check for the presence of a key in a dictionary.

How can you create an empty dictionary and an empty list in Python?