What is the advantage of using tuples over lists?

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BlackTom AI · Accepted Answer

When evaluating the advantages of tuples over lists, several nuances come into play and each option needs careful appraisal.
Option a: 'Tuples can include any data type as an element.' In reality, both lists and tuples can contain elements of any data type, so this is not a unique advantage of tuples. It describes a property shared by both sequence types, not a comparative benefit.
Option b: 'Tuples are not limited in size.' Both tuples and lists are dynamic in size, so this statement is inaccurate for distinguishing tuples from lists; neither inherently lacks a size limit in typical usage.
Option c: 'Processing a tuple is faster than processing a list.' This is generally true in practice. Tuples are immutable, which reduces overhead during iteration and can lead to performance gains in creation, access, and memory use. Additionally, immutability can allow the runtime to apply certain optimizations and may enable tuples to be used as dictionary keys when their contents are hashable.
Option d: 'There is no advantage.' This is incorrect because the immutability and potential performance benefits of tuples do provide concrete advantages in appropriate contexts.
Overall, option c highlights the most meaningful and commonly observed advantage of using tuples over lists, while the other choices either state a shared property, a false property, or deny a real performance benefit.

CITX1401 2025 Practice Chapter Seven

What is the advantage of using tuples over lists?

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