https://www.anaconda.com/download/
https://www.python.org/downloads/windows/
下載python3.0
PATH設置安裝路徑 (環境)
同時安裝py2.0和py3.0(安裝的py3命名爲python3)
分開執行命令
python -m pip install (下載)
python -m pip install --upgrade pip(下載安裝pip)
————————————————————————————
python3 -m pip install
python3 -m pip install --upgrade pip(3.0下載安裝pip)
————————————————————————————
python -m pip list (查看版本pip)
python3 -m pip list(查看3.0版本)
————————————————————————————