How to Merge Excel Sheets in Python: A Step‑by‑Step Automation Guide
This article walks through a practical Python automation example for merging spreadsheet data, explaining key differences between list methods, DataFrame handling, and pandas concatenation, while providing clear code snippets and visual steps to help readers solve common office automation tasks.
1. Introduction
Hello, I’m Pipi. A few days ago a member of the Python Diamond group asked a basic question about Python automation for office work, which I’m sharing here.
2. Implementation Process
Several contributors offered a solution, illustrated in the following images.
The key points include:
Use append instead of extend; the former adds an element, the latter concatenates lists.
Operate directly on a DataFrame ( df) rather than df.values because pd.concat can only concatenate DataFrames and Series.
3. Summary
This article reviews a basic problem of merging tables in Python automation, providing detailed analysis and code implementation to help readers resolve the issue efficiently.
Thanks to the contributors for their ideas and code explanations.
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