PYTHON PROBLEM 107 · Intermediate

Find two-sum indexes: Price pair

Find zero-based indexes of two prices that exactly use a gift voucher.

hash map · interviewhash mapinterview

PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests find two-sum indexes. It belongs to the Lists, Tuples, and Nested Data roadmap and uses the hash map · interview pattern.

Ordered collections, mutation, traversal, copying, matrices, and sequence reasoning.

COMPLETE WORKSPACE

Learn the plan, trace the logic and run the solution

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SKILL TO CARRY FORWARD

Pattern relevance

This exercise strengthens hash map · interview. Be ready to explain the input, the rule, the boundary cases, and why the chosen approach is appropriate.