The Fuller Copy

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

Domain

Python

Difficulty

medium

Seniority

mid

Problem

A scraping pipeline pulls product listings from several sites, and each raw record differs by source: a price may sit under the first entry of `offers` or as a top-level field, and it arrives as a string like `"$1,299.00"`, while the id and title hide behind different key names. Flatten each raw record into a uniform listing, coercing prices to floats and timestamps to a plain date, and leaving any field that is absent as `None`. The same listing can be scraped from more than one page under the same id, so when an id repeats, keep the copy with the fewest missing fields.

Summary

The same listing lands twice, half-filled each time. Keep what is whole.

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