Why This Python List Question Trips Interviewees – Correct Answer Explained
In this article, the author shares a Python interview question about list indexing, explains why many candidates choose the wrong answer, demonstrates the correct output [0,1,2,4,5,6,7,8,9], and discusses list mutability with illustrative code and diagrams.
1. Introduction
Hello, I'm Pipi. Recently I was asked a basic Python interview question about list handling during a job interview.
2. Solution Process
The question looks simple, but many candidates answer incorrectly. The correct output is [0, 1, 2, 4, 5, 6, 7, 8, 9], not [0, 1, 2, 5, 6, 7, 8, 9].
This involves Python list mutability: when an element is removed, subsequent elements shift forward. The diagram below illustrates the process.
3. Summary
This article presents a Python fundamentals interview question, provides a detailed analysis, and includes code snippets to help readers solve similar problems.
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