Setup Python3 virtual environment

src/setup_venv.cmd

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+@echo off
+REM Create Python virtual environment named "venv"
+python -m venv venv
+
+REM Activate the virtual environment
+call venv\Scripts\activate.bat
+
+REM Upgrade pip
+python -m pip install --upgrade pip
+
+REM Install dependencies
+pip install mutagen
+

src/setup_venv.ps1

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+# Create Python virtual environment named "venv"
+python -m venv venv
+
+# Activate the virtual environment
+& .\venv\Scripts\Activate.ps1
+
+# Upgrade pip
+python -m pip install --upgrade pip
+
+# Install dependencies
+pip install mutagen
+