python -m pip install --upgrade pip -i http://mirrors.aliyun.com/pypi/simple --trusted-host mirrors.aliyun.com
pip install pygame -i http://mirrors.aliyun.com/pypi/simple --trusted-host mirrors.aliyun.com
pip install pgzero -i http://mirrors.aliyun.com/pypi/simple --trusted-host mirrors.aliyun.com