Step 1
python -m venv .venv
Note: Create a virtual environment.
Python
Python Virtual Environment Quick Start
Create venv, activate, install packages, and lock dependencies.
Reliable Python dependency isolation workflow.
Version
Python 3.10+
Tags
python,venv,pip
Views
5
Problem
Global package conflicts can break project behavior.
Solution Summary
Use virtual environments and requirements file for reproducible setup.
Step 2
.\.venv\Scripts\activate
Note: Windows activation. Linux/macOS: source .venv/bin/activate
Step 3
python -m pip install --upgrade pip
Note: Upgrade pip.
Step 4
pip install flask requests
Note: Install sample dependencies.
Step 5
pip freeze > requirements.txt
Note: Generate dependency lock file.