How to Fix a Common Python File‑Handling Issue: A Step‑by‑Step Walkthrough

Hi, I'm Pi Pi. This article shares a practical Python case that can be used for file handling in real work.

1. Introduction

While helping a fan solve a simple request, I encountered a small requirement and decided to share it here for future reference.

2. Requirement Clarification

The problem is illustrated in the following screenshots:

Another view of the issue:

3. Implementation Process

A contributor suggested using an encoding‑based solution:

Initially the code produced an unexpected result:

After a reminder to assign the value correctly, the code worked as intended:

The final output matches the expected effect:

4. Summary

This article demonstrates a useful Python case for file handling, thanks to the guidance from contributors.