Learn how to manage virtual environments in Python to avoid dependency conflicts and ensure smooth project management.
| Command | Description | Example |
|---|---|---|
python -m venv |
Creates a virtual environment. | python -m venv venv |
source venv/bin/activate |
Activates the virtual environment. | source venv/bin/activate |
deactivate |
Deactivates the virtual environment. | deactivate |
pip install |
Installs a library. | pip install pandas |
pip install == |
Installs a specific version of a library. | pip install pandas==2.1.4 |
pip show |
Shows information about an installed library. | pip show pandas |
pip uninstall |
Uninstalls a library. | pip uninstall pandas |
pip freeze |
Lists all installed libraries and their versions. | pip freeze |
pip freeze > requirements.txt |
Saves the list of installed libraries to a requirements.txt file. | pip freeze > requirements.txt |
pip install -r requirements.txt |
Installs all libraries listed in a requirements.txt file. | pip install -r requirements.txt |
