Billing Summary Example

Python: Billing Summary Example

A small Python script that reads a text-based billing file and produces a clear summary report, calculating metrics like total revenue and average invoice amount. This example focuses on practical fundamentals: file I/O, basic parsing, numeric validation, and readable program structure.

Included files:

• billing_analyzer.py – the analysis script
• example.txt – sample billing data
• README.txt – usage and explanation

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