ubuntu 切换Python3.7为默认版本及安装相应pip

#查看python版本
ls /usr/bin/python*
# 安装Python3.7
sudo apt install python3.7
#查看Python3.7
python3.7 --version
#修改默认Python指向
sudo rm /usr/bin/python
sudo ls -s /usr/bin/python3.7 /usr/bin/python
python --version

#为python3.7安装Pip
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py # 下载最新的官方 pip
sudo apt install python3-distutils # 安装 python-distutils
sudo python3.7 get-pip.py -i https://pypi.tuna.tsinghua.edu.cn/simple # 从清华源获取 pip3.7
pip --version

参考：https://blog.csdn.net/qq_35278538/article/details/107959060