関連ワード:  how to switch python3 version    how to switch python3 version mac    how to change python3 version mac    how to change python3 version in ubuntu    how to change python3 version linux    how to change python3 version windows    how to change python3 version in venv    how to change python3 version in terminal    how to change python 3 version    how to change default python3 version mac