Case Study | Python Programming | SNS Institutions
Автор: D.Nirmala SNS
Загружено: 2025-10-17
Просмотров: 6
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In Python, lists, tuples, and dictionaries are important data structures used to store and organize data. A list is a mutable and ordered collection, defined using square brackets [ ], where elements can be added, removed, or modified, and duplicates are allowed. A tuple, on the other hand, is similar to a list in being ordered and allowing duplicates, but it is immutable, meaning its values cannot be changed once created, and it is defined using parentheses ( ); this makes tuples suitable for fixed data. A dictionary is a collection of key-value pairs, defined with curly braces { }, where each key must be unique and immutable, while values can be changed. Unlike lists and tuples that use index-based access, dictionaries use keys to retrieve values. Overall, lists are best for dynamic collections, tuples for fixed sequences, and dictionaries for mapping unique keys to values.
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