Replace a word in text: No matching word

What this Python exercise asks you to practise

This scenario tests replace a word in text. It belongs to the Files, Exceptions, and Modules roadmap and uses the replace · text processing pattern.

Reading and writing text data, handling predictable failures, imports, and safe input boundaries.

Pattern relevance

This exercise strengthens replace · text processing. Be ready to explain the input, the rule, the boundary cases, and why the chosen approach is appropriate.