6 Questions
Explain the key difference between a list and a dictionary in Python.
A list is an ordered collection of items, while a dictionary is an unordered collection of key-value pairs.
What are the enclosures used for items in a list and a dictionary?
Items in a list are enclosed within square brackets [], while items in a dictionary are enclosed within curly braces {}.
Explain the concept of mutability in the context of lists and dictionaries.
Lists are mutable, allowing addition, removal, or modification of items after creation. Dictionaries are also mutable, enabling changes to key-value pairs.
Describe the uniqueness requirement for keys in a dictionary.
Keys in a dictionary must be unique and immutable.
How are values accessed in a dictionary?
Values in a dictionary are accessed using their corresponding keys.
Explain why dictionaries do not maintain a specific order for their key-value pairs.
Dictionaries do not maintain a specific order for their key-value pairs because they are designed for key-based retrieval, not index-based access.
Learn about lists and dictionaries in programming. Understand the concept, features, and operations of lists, such as mutability, indexing, and various operations like slicing. Explore how dictionaries differ from lists in terms of unordered collection and key-value pairs.
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