【Ubuntu18.04】安装python环境

安装python环境

方法一：

以root用户运行以下命令
sudo apt update

sudo apt install software-properties-common

将Deadsnakes PPA添加到系统的来源列表中：

sudo add-apt-repository ppa:deadsnakes/ppa

sudo apt install python3.9

通过键入以下命令验证安装是否成功：

python3.9 --version

方法二：

sudo apt update

sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev wget

wget https://www.python.org/ftp/python/3.9.4/Python-3.9.4.tgz

tar -zxvf Python-3.9.4.tgz

cd Python-3.9.4/

./configure --enable-optimizations

make -j 9

sudo make altinstall

python3.9 --version