---
title: "Discussion on \"Building a Sales Data Pipeline in Pure Python (No Pandas): A CampusMart Case Study\" | Hashnode"
description: "Discussion on \"Building a Sales Data Pipeline in Pure Python (No Pandas): A CampusMart Case Study\". How I ingested, validated, and reconciled messy CSVs into clean reports, and the subtle bugs I found along the way"
url: "https://hashnode.com/posts/building-a-sales-data-pipeline-in-pure-python-no-pandas-a-campusmart-case-study/6a62af34e6646c4a0f885383"
---

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# [Building a Sales Data Pipeline in Pure Python (No Pandas): A CampusMart Case Study](https://dev-mileba.hashnode.dev/building-a-sales-data-pipeline-in-pure-python-no-pandas-a-campusmart-case-study?utm_source=hashnode&utm_medium=feed)

How I ingested, validated, and reconciled messy CSVs into clean reports, and the subtle bugs I found along the way

Jul 24 · 12 min read · dev-mileba.hashnode.dev  
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## Written by

[Micheal Mileba](https://hashnode.com/@dev-mileba)

@dev-mileba · London, UK

  
[View profile](https://hashnode.com/@dev-mileba)

Sharing bits of knowledge on my data journey

Aspiring data engineer building real-time pipelines in Python and teaching what I build.

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