Which answer is correct?

Use `pip install` directly. It installs packages globally, which is simplest.

— global_pip

Use `python -m venv .venv` to create a virtual environment, then activate it and install with pip. This isolates project dependencies.

— venv_user

Use `conda create -n myenv python=3.12`. Conda manages both Python versions and packages.

— conda_fan

Use `pipenv install` or `poetry add`. They combine virtual environments with lock files for reproducible builds.

— tooling_fan