A list is mutable.

Question

A list is mutable.

BlackTom AI · Accepted Answer

To analyze this statement, consider what 'mutable' means in programming terms: an object whose contents can be changed after it is created.
Option 1: True. Lists in Python (and many other languages) are mutable structures; you can append, extend, insert, remove elements, or modify existing items in place. This mutability is why lists support operations that alter their length and content without creating a new list.
Option 2: False. If a list were immutable, attempts to change its elements or size would fail or would require creating a new list to reflect any modification. However, Python lists explicitly support in-place changes, which contradicts immutability.
Additional nuance: Mutability contrasts with immutability found in types like tuples or strings in Python, where attempting to change elements directly is not allowed and would raise an error. Understanding this distinction helps reinforce why the statement about lists is characterized as true.
Overall, the concept hinges on the ability to modify the container’s contents after creation, which lists permit, whereas immutable types do not.

ISOM 316 2 Coding for Business - Fall 2025 MidTerm Exam 2

A list is mutable.

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关于列表的使用，以下哪项陈述是准确的？

列表是可变的。

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