The Chain Builder

A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain

Python

Difficulty

medium

Seniority

L3

Problem

Implement a singly linked list via an operations list. Operations: ['insert', val] appends val to the end, ['find', val] returns True if val is in the list else False. Return a parallel list of return values: None for insert, True/False for find.

Summary

Links connect in sequence - build the chain from scratch.

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