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This article mainly explains the "python is not an internal or external command is not a runnable program or batch file problem how to solve", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in-depth, together to study and learn "python is not an internal or external command is not a runnable program or batch file problem how to solve" it!

Problem description

Cause analysis

Add Python 3.9 to PATH is not checked when installing Python

Solution one

Uninstall and reinstall, remember to check Add Python 3.9 to PATH when reinstalling

Option 2

The translation of Add Python 3.9 to PATH means to add Python to the environment variable. Since it was not added during installation, we can add it manually.

1. Right-click the computer and click Properties

2. Click Advanced system Settings

3. Click the environment variable

4. Double-click Path in the user variable

5. Click New, add your Python installation path and the Scripts path under the installation path, and finally click OK.

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