파이썬 만들기 virtualenv
pip install virtualenv # install first
cd projectfolder # go to project folder
python -m venv ./venv # Create a virtual environment named venv
Activate.ps1 # (powershell) start the file to start the environment
activate.bat # (cmd) start the file to start the environment
# if it worked you'll see a (venv) in front of your cursor path
pycharm 에서 기존 가상 환경을 사용하는 방법
Open >> File
>> Settings(Ctrl+Alt+S)
>> Project: > Python Interpreter
>> Right side of the Browse path select location of existing venv path
>> Apply and OK.