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Track Python Testing & Debugging

Validating Input

5 / 7

Python Testing & Debugging

Course Progress0/7

Reading Error Messages

Understanding Error Messages Index and Attribute Errors

Writing Tests

Writing Assert Statements

Debugging Techniques

Using Print Debugging

Input Validation

Validating Input

Defensive Programming

Default Values and Fallbacks

Capstone Project

Capstone: Robust Data Pipeline

Python

Add Input Validation

Input Validation

Prevent errors by checking inputs before processing.

Your Task

Add validation to process_order to:

Check quantity is positive
Check price is not negative
Return None if invalid

script.py

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