Month 5 · Week 19 of 40

File Handling, Modules & Exceptions

Build resilient scripts that handle real-world data.

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Week Overview

Master file handling in Python. Learn to process CSV and JSON datasets, handle unexpected runtime errors gracefully with try/except/finally, and organize code into packages.

Core Concepts & Topics

Context Managers (with statement)
Reading & Writing CSV and JSON Data
Exception Handling (try/except/else/finally)
Custom Exception Classes
Organizing Code into Python Modules & Packages
Hands-On Challenge

Week 19 Project: Personal Expense Tracker with CSV persistence, budget calculation, and category summaries.

Every week at DoxaTech Hub requires submitting real working code tested by our automated grading suite. You will push code to your personal GitHub repository, open pull requests, and receive instant feedback.

Frequently Asked Questions

Why should you always use 'with open()' in Python?

The 'with' statement guarantees that file descriptors are closed immediately when exiting the block, even if an unhandled exception is thrown.

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Week 18: Object-Oriented Python (OOP)
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Week 20: Library Management Automation System
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Month 5 Modules

This week is part of Python Programming & Scripting.

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