added pipenv

memo/venv-memo.md

@@ -1,3 +1,5 @@
+# Venv
+
 ```bash
 python -m venv <env-name>
 source <env-name>/bin/activate
@@ -8,3 +10,15 @@ deactivate
 pip freeze > requirements.txt
 pip install -r requirements.txt
 ```
+
+# Pipenv
+```bash
+pyenv install --list | grep 3.9
+pyenv install 3.9.12
+```
+
+```bash
+pyenv global 3.12.4
+cd /path/to/your/project
+pyenv local 3.9.17
+```