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
virtualenv python2
virtualenv --python=/usr/bin/python2.6 <path/to/new/virtualenv/>
가상 env 파이썬 2
virtualenv -p C:\Python27\python.exe venv
.\venv\Scripts\activate