# 不安装这个pip3 install安装包的时候报错:  No module named '_ctypes',安装后需要重新编辑python,所以要先安装
yum install libffi-devel

wget https://www.python.org/ftp/python/3.8.16/Python-3.8.16.tgz
tar zxvf Python-3.8.16.tgz
cd Python-3.8.16
./configure --prefix=/usr/local/python38
make
make altinstall

ln -s /usr/local/python38/bin/python3.8 /usr/bin/python3
ln -s /usr/local/python38/bin/pip3.8 /usr/bin/pip3

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